diff --git a/racket/src/expander/common/module-path.rkt b/racket/src/expander/common/module-path.rkt
index 117849b388..adfc93d26c 100644
--- a/racket/src/expander/common/module-path.rkt
+++ b/racket/src/expander/common/module-path.rkt
@@ -2,6 +2,7 @@
 (require racket/private/place-local
          ffi/unsafe/atomic
          "../compile/serialize-property.rkt"
+         "../common/performance.rkt"
          "contract.rkt"
          "parse-module-path.rkt"
          "intern.rkt")
@@ -200,13 +201,15 @@
 (define/who (module-path-index-resolve mpi [load? #f])
   (check who module-path-index? mpi)
   (or (module-path-index-resolved mpi)
-      (let ([mod-name ((current-module-name-resolver)
-                       (module-path-index-path mpi)
-                       (module-path-index-resolve/maybe
-                        (module-path-index-base mpi)
-                        load?)
-                       #f
-                       load?)])
+      (let ([mod-name (performance-region
+                       ['eval 'resolver]
+                       ((current-module-name-resolver)
+                        (module-path-index-path mpi)
+                        (module-path-index-resolve/maybe
+                         (module-path-index-base mpi)
+                         load?)
+                        #f
+                        load?))])
         (unless (resolved-module-path? mod-name)
           (raise-arguments-error 'module-path-index-resolve
                                  "current module name resolver's result is not a resolved module path"
diff --git a/racket/src/expander/namespace/module.rkt b/racket/src/expander/namespace/module.rkt
index 1044fd13b9..0fd46499ba 100644
--- a/racket/src/expander/namespace/module.rkt
+++ b/racket/src/expander/namespace/module.rkt
@@ -372,9 +372,7 @@
                                        #:seen [seen #hasheq()])
   (unless (module-path-index? mpi)
     (error "not a module path index:" mpi))
-  (define name (performance-region
-                ['eval 'resolve]
-                (module-path-index-resolve mpi #t)))
+  (define name (module-path-index-resolve mpi #t))
   (define m (namespace->module ns name))
   (unless m (raise-unknown-module-error 'instantiate name))
   (define (instantiate! instance-phase run-phase ns)
diff --git a/racket/src/racket/src/startup.inc b/racket/src/racket/src/startup.inc
index 1c03209f61..eaa3f90a81 100644
--- a/racket/src/racket/src/startup.inc
+++ b/racket/src/racket/src/startup.inc
@@ -3091,6 +3091,524 @@ static const char *startup_source =
 "(prop:binding-reach-scopes binding-reach-scopes? binding-reach-scopes-ref)"
 "(make-struct-type-property 'binding-reach-scopes))"
 "(define-values"
+"(log-performance?)"
+"  (if (environment-variables-ref (current-environment-variables) #\"PLT_EXPANDER_TIMES\") #t #f))"
+"(define-values(cell.1$7)(unsafe-make-place-local #f))"
+"(define-values(cell.2$4)(unsafe-make-place-local(make-hasheq)))"
+"(define-values(performance-place-init!)(lambda()(begin(unsafe-place-local-set! cell.2$4(make-hasheq)))))"
+"(define-values"
+"(struct:region"
+" region1.1"
+" region?"
+" region-path"
+" region-start"
+" region-start-memory"
+" region-as-nested"
+" region-as-nested-memory"
+" set-region-start!"
+" set-region-start-memory!"
+" set-region-as-nested!"
+" set-region-as-nested-memory!)"
+"(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
+"(let-values()"
+"(let-values()(make-struct-type 'region #f 5 0 #f null(current-inspector) #f '(0) #f 'region)))))"
+"(values"
+" struct:_0"
+" make-_0"
+" ?_0"
+"(make-struct-field-accessor -ref_0 0 'path)"
+"(make-struct-field-accessor -ref_0 1 'start)"
+"(make-struct-field-accessor -ref_0 2 'start-memory)"
+"(make-struct-field-accessor -ref_0 3 'as-nested)"
+"(make-struct-field-accessor -ref_0 4 'as-nested-memory)"
+"(make-struct-field-mutator -set!_0 1 'start)"
+"(make-struct-field-mutator -set!_0 2 'start-memory)"
+"(make-struct-field-mutator -set!_0 3 'as-nested)"
+"(make-struct-field-mutator -set!_0 4 'as-nested-memory))))"
+"(define-values"
+"(struct:stat stat2.1 stat? stat-msecs stat-memory stat-count set-stat-msecs! set-stat-memory! set-stat-count!)"
+"(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
+"(let-values()"
+"(let-values()(make-struct-type 'stat #f 3 0 #f null(current-inspector) #f '() #f 'stat)))))"
+"(values"
+" struct:_0"
+" make-_0"
+" ?_0"
+"(make-struct-field-accessor -ref_0 0 'msecs)"
+"(make-struct-field-accessor -ref_0 1 'memory)"
+"(make-struct-field-accessor -ref_0 2 'count)"
+"(make-struct-field-mutator -set!_0 0 'msecs)"
+"(make-struct-field-mutator -set!_0 1 'memory)"
+"(make-struct-field-mutator -set!_0 2 'count))))"
+"(define-values(stat-key)(gensym))"
+"(define-values"
+"(start-performance-region)"
+"(lambda path_0"
+"(begin"
+"(unsafe-place-local-set!"
+" cell.1$7"
+"(cons"
+"(region1.1"
+"(if(unsafe-place-local-ref cell.1$7)"
+"((letrec-values(((loop_0)"
+"(lambda(path_1 enclosing-path_0)"
+"(begin"
+" 'loop"
+"(if(null? path_1)"
+" null"
+"(cons"
+"(if(if(eq? '_(car path_1))(pair? enclosing-path_0) #f)"
+"(car enclosing-path_0)"
+"(car path_1))"
+"(loop_0"
+"(cdr path_1)"
+"(if(pair? enclosing-path_0)(cdr enclosing-path_0) null))))))))"
+" loop_0)"
+" path_0"
+"(region-path(car(unsafe-place-local-ref cell.1$7))))"
+" path_0)"
+"(current-inexact-milliseconds)"
+"(current-memory-use 'cumulative)"
+" 0.0"
+" 0)"
+"(unsafe-place-local-ref cell.1$7))))))"
+"(define-values"
+"(end-performance-region)"
+"(lambda()"
+"(begin"
+"(let-values(((now_0)(current-inexact-milliseconds)))"
+"(let-values(((now-memory_0)(current-memory-use 'cumulative)))"
+"(let-values(((r_0)(car(unsafe-place-local-ref cell.1$7))))"
+"(let-values((()"
+"(begin(unsafe-place-local-set! cell.1$7(cdr(unsafe-place-local-ref cell.1$7)))(values))))"
+"(let-values(((full-delta_0)(- now_0(region-start r_0))))"
+"(let-values(((delta_0)(- full-delta_0(region-as-nested r_0))))"
+"(let-values(((full-delta-memory_0)(- now-memory_0(region-start-memory r_0))))"
+"(let-values(((delta-memory_0)(- full-delta-memory_0(region-as-nested-memory r_0))))"
+"(begin"
+"((letrec-values(((loop_0)"
+"(lambda(accums_0 path_0)"
+"(begin"
+" 'loop"
+"(let-values(((key_0)(car path_0)))"
+"(let-values(((accum_0)"
+"(let-values(((or-part_0)(hash-ref accums_0 key_0 #f)))"
+"(if or-part_0"
+" or-part_0"
+"(let-values(((accum_0)(make-hasheq)))"
+"(begin"
+"(hash-set! accums_0 key_0 accum_0)"
+" accum_0))))))"
+"(let-values(((s_0)"
+"(let-values(((or-part_0)"
+"(hash-ref accum_0 stat-key #f)))"
+"(if or-part_0"
+" or-part_0"
+"(let-values(((s_0)(stat2.1 0.0 0 0)))"
+"(begin(hash-set! accum_0 stat-key s_0) s_0))))))"
+"(begin"
+"(set-stat-msecs! s_0(+ delta_0(stat-msecs s_0)))"
+"(set-stat-memory! s_0(+ delta-memory_0(stat-memory s_0)))"
+"(if(null?(cdr path_0))"
+"(let-values()(set-stat-count! s_0(add1(stat-count s_0))))"
+"(void))"
+"(if(null?(cdr path_0))"
+"(void)"
+"(let-values()(loop_0 accum_0(cdr path_0))))))))))))"
+" loop_0)"
+"(unsafe-place-local-ref cell.2$4)"
+"(region-path r_0))"
+"(if(unsafe-place-local-ref cell.1$7)"
+"(let-values()"
+"(begin"
+"(set-region-as-nested!"
+"(car(unsafe-place-local-ref cell.1$7))"
+"(+(region-as-nested(car(unsafe-place-local-ref cell.1$7))) full-delta_0))"
+"(set-region-as-nested-memory!"
+"(car(unsafe-place-local-ref cell.1$7))"
+"(+"
+"(region-as-nested-memory(car(unsafe-place-local-ref cell.1$7)))"
+" full-delta-memory_0))))"
+"(void))))))))))))))"
+"(call-with-values"
+"(lambda()"
+"(if log-performance?"
+"(let-values()"
+"(void"
+"(plumber-add-flush!"
+"(current-plumber)"
+"(lambda(h_0)"
+"(let-values(((whole-len_0)"
+"(lambda(s_0)"
+"(begin"
+" 'whole-len"
+"(caar"
+"                               (let-values (((or-part_0) (regexp-match-positions '#rx\"[.]\" s_0)))"
+"(if or-part_0 or-part_0 '(0))))))))"
+"(let-values(((kb_0)"
+"(lambda(b_0)"
+"(begin"
+" 'kb"
+"(let-values(((s_0)(number->string(quotient b_0 1024))))"
+"(list->string"
+"(let-values(((lst_0)(reverse$1(string->list s_0)))((start_0) 0))"
+"(begin"
+"(if(variable-reference-from-unsafe?(#%variable-reference))"
+"(void)"
+"(let-values()(check-list lst_0)))"
+"(if(variable-reference-from-unsafe?(#%variable-reference))"
+"(void)"
+"(let-values()(check-naturals start_0)))"
+"((letrec-values(((for-loop_0)"
+"(lambda(l_0 lst_1 pos_0)"
+"(begin"
+" 'for-loop"
+"(if(if(pair? lst_1) #t #f)"
+"(let-values(((c_0)(unsafe-car lst_1))"
+"((rest_0)(unsafe-cdr lst_1))"
+"((i_0) pos_0))"
+"(let-values(((l_1)"
+"(let-values(((l_1) l_0))"
+"(let-values(((l_2)"
+"(let-values()"
+"(if(if(positive? i_0)"
+"(zero?"
+"(modulo i_0 3))"
+" #f)"
+"(let-values()"
+"(list*"
+" c_0"
+" '#\\,"
+" l_1))"
+"(let-values()"
+"(cons c_0 l_1))))))"
+"(values l_2)))))"
+"(if(not #f)"
+"(for-loop_0 l_1 rest_0(+ pos_0 1))"
+" l_1)))"
+" l_0)))))"
+" for-loop_0)"
+" null"
+" lst_0"
+" start_0)))))))))"
+"(let-values(((label-max-len_0 value-max-len_0 memory-max-len_0 count-max-len_0)"
+"((letrec-values(((loop_0)"
+"(lambda(accums_0"
+" label-len_0"
+" value-len_0"
+" memory-len_0"
+" count-len_0"
+" indent_0)"
+"(begin"
+" 'loop"
+"(let-values(((ht_0) accums_0))"
+"(begin"
+"(if(variable-reference-from-unsafe?(#%variable-reference))"
+"(void)"
+"(let-values()(check-in-hash ht_0)))"
+"((letrec-values(((for-loop_0)"
+"(lambda(label-len_1"
+" value-len_1"
+" memory-len_1"
+" count-len_1"
+" i_0)"
+"(begin"
+" 'for-loop"
+"(if i_0"
+"(let-values(((k_0 v_0)"
+"(hash-iterate-key+value"
+" ht_0"
+" i_0)))"
+"(let-values(((label-len_2"
+" value-len_2"
+" memory-len_2"
+" count-len_2)"
+"(let-values(((label-len_2)"
+" label-len_1)"
+"((value-len_2)"
+" value-len_1)"
+"((memory-len_2)"
+" memory-len_1)"
+"((count-len_2)"
+" count-len_1))"
+"(let-values(((label-len_3"
+" value-len_3"
+" memory-len_3"
+" count-len_3)"
+"(let-values()"
+"(if(eq?"
+" k_0"
+" stat-key)"
+"(let-values()"
+"(values"
+" label-len_2"
+"(max"
+" value-len_2"
+"(whole-len_0"
+"(format"
+"                                                                                                                          \"~a\""
+"(stat-msecs"
+" v_0))))"
+"(max"
+" memory-len_2"
+"(string-length"
+"(format"
+"                                                                                                                          \"~a\""
+"(kb_0"
+"(stat-memory"
+" v_0)))))"
+"(max"
+" count-len_2"
+"(string-length"
+"(format"
+"                                                                                                                          \"~a\""
+"(stat-count"
+" v_0))))))"
+"(let-values()"
+"(loop_0"
+" v_0"
+"(max"
+" label-len_2"
+"(+"
+" indent_0"
+"(string-length"
+"(format"
+"                                                                                                                           \"~a\""
+" k_0))))"
+" value-len_2"
+" memory-len_2"
+" count-len_2"
+"(+"
+" 2"
+" indent_0)))))))"
+"(values"
+" label-len_3"
+" value-len_3"
+" memory-len_3"
+" count-len_3)))))"
+"(if(not #f)"
+"(for-loop_0"
+" label-len_2"
+" value-len_2"
+" memory-len_2"
+" count-len_2"
+"(hash-iterate-next ht_0 i_0))"
+"(values"
+" label-len_2"
+" value-len_2"
+" memory-len_2"
+" count-len_2))))"
+"(values"
+" label-len_1"
+" value-len_1"
+" memory-len_1"
+" count-len_1))))))"
+" for-loop_0)"
+" label-len_0"
+" value-len_0"
+" memory-len_0"
+" count-len_0"
+"(hash-iterate-first ht_0))))))))"
+" loop_0)"
+"(unsafe-place-local-ref cell.2$4)"
+" 6"
+" 5"
+" 4"
+" 5"
+" 2)))"
+"(begin"
+"(let-values(((l_0)(current-logger)))"
+"(if(log-level? l_0 'error(logger-name l_0))"
+"(let-values()"
+"(log-message"
+" l_0"
+" 'error"
+"(format"
+"                            \"REGION      ~aMSECS   ~aMEMK   ~aCOUNT\""
+"(make-string(-(+ label-max-len_0 value-max-len_0) 11) '#\\space)"
+"(make-string(- memory-max-len_0 4) '#\\space)"
+"(make-string(- count-max-len_0 5) '#\\space))"
+"(current-continuation-marks)))"
+"(void)))"
+"((letrec-values(((loop_0)"
+"(lambda(name_0 accums_0 indent_0 newline?_0)"
+"(begin"
+" 'loop"
+"(let-values((()"
+"(begin"
+"(if name_0"
+"(let-values()"
+"(let-values(((v_0)(hash-ref accums_0 stat-key)))"
+"(let-values(((l_0)(current-logger)))"
+"(if(log-level? l_0 'error(logger-name l_0))"
+"(let-values()"
+"(log-message"
+" l_0"
+" 'error"
+"(format"
+"                                                                        \"~a~a   ~a~a   ~a~a   ~a~a\""
+" indent_0"
+" name_0"
+"(make-string"
+"(+"
+"(-"
+" label-max-len_0"
+"                                                                           (string-length (format \"~a\" name_0))"
+"(string-length indent_0))"
+"(-"
+" value-max-len_0"
+"(whole-len_0"
+"                                                                            (format \"~a\" (stat-msecs v_0)))))"
+" '#\\space)"
+"(regexp-replace"
+"                                                                         '#rx\"[.](..).*\""
+"                                                                         (format \"~a00\" (stat-msecs v_0))"
+"                                                                         \".\\\\1\")"
+"(make-string"
+"(-"
+" memory-max-len_0"
+"(string-length"
+"                                                                           (format \"~a\" (kb_0 (stat-memory v_0)))))"
+" '#\\space)"
+"(kb_0(stat-memory v_0))"
+"(make-string"
+"(-"
+" count-max-len_0"
+"(string-length"
+"                                                                           (format \"~a\" (stat-count v_0))))"
+" '#\\space)"
+"(stat-count v_0))"
+"(current-continuation-marks)))"
+"(void)))))"
+"(void))"
+"(values))))"
+"(let-values(((keys_0)"
+"(let-values(((temp5_0)"
+"(reverse$1"
+"(let-values(((ht_0) accums_0))"
+"(begin"
+"(if(variable-reference-from-unsafe?"
+"(#%variable-reference))"
+"(void)"
+"(let-values()"
+"(check-in-hash-keys ht_0)))"
+"((letrec-values(((for-loop_0)"
+"(lambda(fold-var_0 i_0)"
+"(begin"
+" 'for-loop"
+"(if i_0"
+"(let-values(((k_0)"
+"(hash-iterate-key"
+" ht_0"
+" i_0)))"
+"(let-values(((fold-var_1)"
+"(let-values(((fold-var_1)"
+" fold-var_0))"
+"(if(not"
+"(eq?"
+" k_0"
+" stat-key))"
+"(let-values(((fold-var_2)"
+" fold-var_1))"
+"(let-values(((fold-var_3)"
+"(let-values()"
+"(cons"
+"(let-values()"
+" k_0)"
+" fold-var_2))))"
+"(values"
+" fold-var_3)))"
+" fold-var_1))))"
+"(if(not #f)"
+"(for-loop_0"
+" fold-var_1"
+"(hash-iterate-next"
+" ht_0"
+" i_0))"
+" fold-var_1)))"
+" fold-var_0)))))"
+" for-loop_0)"
+" null"
+"(hash-iterate-first ht_0))))))"
+"((>6_0) >)"
+"((temp7_0)"
+"(lambda(key_0)"
+"(stat-msecs"
+"(hash-ref"
+"(hash-ref accums_0 key_0)"
+" stat-key)))))"
+"(sort7.1 #f temp7_0 temp5_0 >6_0))))"
+"(begin"
+"(let-values(((lst_0) keys_0)((start_0) 0))"
+"(begin"
+"(if(variable-reference-from-unsafe?(#%variable-reference))"
+"(void)"
+"(let-values()(check-list lst_0)))"
+"(if(variable-reference-from-unsafe?(#%variable-reference))"
+"(void)"
+"(let-values()(check-naturals start_0)))"
+"((letrec-values(((for-loop_0)"
+"(lambda(lst_1 pos_0)"
+"(begin"
+" 'for-loop"
+"(if(if(pair? lst_1) #t #f)"
+"(let-values(((k_0)(unsafe-car lst_1))"
+"((rest_0)(unsafe-cdr lst_1))"
+"((i_0) pos_0))"
+"(let-values((()"
+"(let-values()"
+"(let-values((()"
+"(let-values()"
+"(begin"
+"(let-values()"
+"(begin"
+"(if(if newline?_0"
+"(positive?"
+" i_0)"
+" #f)"
+"(let-values()"
+"(let-values(((l_0)"
+"(current-logger)))"
+"(if(log-level?"
+" l_0"
+" 'error"
+"(logger-name"
+" l_0))"
+"(let-values()"
+"(log-message"
+" l_0"
+" 'error"
+"                                                                                                                               \"\""
+"(current-continuation-marks)))"
+"(void))))"
+"(void))"
+"(loop_0"
+" k_0"
+"(hash-ref"
+" accums_0"
+" k_0)"
+"(string-append"
+" indent_0"
+"                                                                                                                      \"  \")"
+" #f)))"
+"(values)))))"
+"(values)))))"
+"(if(not #f)"
+"(for-loop_0 rest_0(+ pos_0 1))"
+"(values))))"
+"(values))))))"
+" for-loop_0)"
+" lst_0"
+" start_0)))"
+"(void))))))))"
+" loop_0)"
+" #f"
+"(unsafe-place-local-ref cell.2$4)"
+"                     \"\""
+" #t)))))))))"
+"(void)))"
+" print-values)"
+"(define-values"
 "(1/module-path?)"
 "(lambda(v_0)"
 "(begin"
@@ -4298,13 +4816,22 @@ static const char *startup_source =
 "(if or-part_0"
 " or-part_0"
 "(let-values(((mod-name_0)"
+"(begin"
+"(if log-performance?"
+"(let-values()(start-performance-region 'eval 'resolver))"
+"(void))"
+"(begin0"
+"(let-values()"
 "((1/current-module-name-resolver)"
 "(module-path-index-path mpi_0)"
 "(module-path-index-resolve/maybe"
 "(module-path-index-base mpi_0)"
 " load?_0)"
 " #f"
-" load?_0)))"
+" load?_0))"
+"(if log-performance?"
+"(let-values()(end-performance-region))"
+"(void))))))"
 "(begin"
 "(if(1/resolved-module-path? mod-name_0)"
 "(void)"
@@ -4458,9 +4985,9 @@ static const char *startup_source =
 "(make-self-module-path-index"
 "(let-values(((name25_0) name_0)((temp26_0)(if enclosing_0(1/module-path-index-resolve enclosing_0) #f)))"
 "(build-module-name16.1 unsafe-undefined name25_0 temp26_0))))))"
-"(define-values(cell.1$7)(unsafe-make-place-local(make-weak-hash)))"
+"(define-values(cell.1$6)(unsafe-make-place-local(make-weak-hash)))"
 "(define-values(generic-module-name) '|expanded module|)"
-"(define-values(module-path-place-init!)(lambda()(begin(unsafe-place-local-set! cell.1$7(make-weak-hash)))))"
+"(define-values(module-path-place-init!)(lambda()(begin(unsafe-place-local-set! cell.1$6(make-weak-hash)))))"
 "(define-values"
 "(make-generic-self-module-path-index)"
 "(lambda(self_0)"
@@ -4470,12 +4997,12 @@ static const char *startup_source =
 "(start-atomic)"
 "(begin0"
 "(let-values(((or-part_0)"
-"(let-values(((e_0)(hash-ref(unsafe-place-local-ref cell.1$7) r_0 #f)))"
+"(let-values(((e_0)(hash-ref(unsafe-place-local-ref cell.1$6) r_0 #f)))"
 "(if e_0(ephemeron-value e_0) #f))))"
 "(if or-part_0"
 " or-part_0"
 "(let-values(((mpi_0)(module-path-index2.1 #f #f r_0 #f)))"
-"(begin(hash-set!(unsafe-place-local-ref cell.1$7) r_0(make-ephemeron r_0 mpi_0)) mpi_0))))"
+"(begin(hash-set!(unsafe-place-local-ref cell.1$6) r_0(make-ephemeron r_0 mpi_0)) mpi_0))))"
 "(end-atomic)))))))"
 "(define-values"
 "(resolved-module-path-to-generic-resolved-module-path)"
@@ -7922,20 +8449,20 @@ static const char *startup_source =
 "(fallback->list)"
 "(lambda(smss_0)(begin(if(fallback? smss_0)(fallback-search-list smss_0)(list smss_0)))))"
 "(define-values(make-cache)(lambda()(begin(box(make-weak-box #f)))))"
-"(define-values(cell.1$6)(unsafe-make-place-local(make-cache)))"
-"(define-values(resolve-cache-place-init!)(lambda()(begin(unsafe-place-local-set! cell.1$6(make-cache)))))"
+"(define-values(cell.1$5)(unsafe-make-place-local(make-cache)))"
+"(define-values(resolve-cache-place-init!)(lambda()(begin(unsafe-place-local-set! cell.1$5(make-cache)))))"
 "(define-values"
 "(clear-resolve-cache!)"
 "(case-lambda"
 "((sym_0)"
 "(begin"
-"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$6)))))"
+"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$5)))))"
 "(begin"
 "(if c_0(let-values()(hash-remove! c_0 sym_0))(void))"
-"(set-box*!(unsafe-place-local-ref cell.2$4) #f)))))"
+"(set-box*!(unsafe-place-local-ref cell.2$3) #f)))))"
 "(()"
-"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$6)))))"
-"(begin(if c_0(let-values()(hash-clear! c_0))(void))(set-box*!(unsafe-place-local-ref cell.2$4) #f))))))"
+"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$5)))))"
+"(begin(if c_0(let-values()(hash-clear! c_0))(void))(set-box*!(unsafe-place-local-ref cell.2$3) #f))))))"
 "(define-values"
 "(struct:entry entry1.1 entry? entry-scs entry-smss entry-phase entry-binding)"
 "(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
@@ -7965,7 +8492,7 @@ static const char *startup_source =
 "(resolve-cache-get)"
 "(lambda(sym_0 phase_0 scs_0 smss_0)"
 "(begin"
-"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$6)))))"
+"(let-values(((c_0)(weak-box-value(unbox*(unsafe-place-local-ref cell.1$5)))))"
 "(if c_0"
 "(let-values(((v_0)(hash-ref c_0 sym_0 #f)))"
 "(if v_0"
@@ -7978,16 +8505,16 @@ static const char *startup_source =
 "(resolve-cache-set!)"
 "(lambda(sym_0 phase_0 scs_0 smss_0 b_0)"
 "(begin"
-"(let-values(((wb_0)(unbox*(unsafe-place-local-ref cell.1$6))))"
+"(let-values(((wb_0)(unbox*(unsafe-place-local-ref cell.1$5))))"
 "(let-values(((c_0)(weak-box-value wb_0)))"
 "(if(not c_0)"
 "(let-values()"
 "(begin"
-"(box-cas!(unsafe-place-local-ref cell.1$6) wb_0(make-weak-box(make-hasheq)))"
+"(box-cas!(unsafe-place-local-ref cell.1$5) wb_0(make-weak-box(make-hasheq)))"
 "(resolve-cache-set! sym_0 phase_0 scs_0 smss_0 b_0)))"
 "(let-values()(hash-set! c_0 sym_0(entry1.1 scs_0 smss_0 phase_0 b_0)))))))))"
 "(define-values(SHIFTED-CACHE-SIZE) 16)"
-"(define-values(cell.2$4)(unsafe-make-place-local(box #f)))"
+"(define-values(cell.2$3)(unsafe-make-place-local(box #f)))"
 "(define-values(cell.3$1)(unsafe-make-place-local 0))"
 "(define-values"
 "(struct:shifted-entry shifted-entry2.1 shifted-entry? shifted-entry-s shifted-entry-phase shifted-entry-binding)"
@@ -8017,13 +8544,13 @@ static const char *startup_source =
 "(shifted-cache-vector)"
 "(lambda()"
 "(begin"
-"(let-values(((wb_0)(unbox*(unsafe-place-local-ref cell.2$4))))"
+"(let-values(((wb_0)(unbox*(unsafe-place-local-ref cell.2$3))))"
 "(let-values(((c1_0)(if wb_0(weak-box-value wb_0) #f)))"
 "(if c1_0"
 "((lambda(vec_0) vec_0) c1_0)"
 "(let-values()"
 "(let-values(((vec_0)(make-vector SHIFTED-CACHE-SIZE #f)))"
-"(begin(set-box*!(unsafe-place-local-ref cell.2$4)(make-weak-box vec_0)) vec_0)))))))))"
+"(begin(set-box*!(unsafe-place-local-ref cell.2$3)(make-weak-box vec_0)) vec_0)))))))))"
 "(define-values"
 "(resolve+shift-cache-get)"
 "(lambda(s_0 phase_0)"
@@ -8581,20 +9108,20 @@ static const char *startup_source =
 " #f"
 " 'shifted-to-label-phase)))))"
 "(values struct:_0 make-_0 ?_0(make-struct-field-accessor -ref_0 0 'from))))"
-"(define-values(cell.1$5)(unsafe-make-place-local 0))"
+"(define-values(cell.1$4)(unsafe-make-place-local 0))"
 "(define-values"
 "(new-scope-id!)"
 "(lambda()"
 "(begin"
 "(begin"
-"(unsafe-place-local-set! cell.1$5(add1(unsafe-place-local-ref cell.1$5)))"
-"(unsafe-place-local-ref cell.1$5)))))"
+"(unsafe-place-local-set! cell.1$4(add1(unsafe-place-local-ref cell.1$4)))"
+"(unsafe-place-local-ref cell.1$4)))))"
 "(define-values(new-deserialize-scope-id!)(lambda()(begin(-(new-scope-id!)))))"
 "(define-values(deserialized-scope-id?)(lambda(scope-id_0)(begin(negative? scope-id_0))))"
 "(define-values(top-level-common-scope)(scope1.1 0 'module empty-binding-table))"
 "(define-values(new-scope)(lambda(kind_0)(begin(scope1.1(new-scope-id!) kind_0 empty-binding-table))))"
-"(define-values(cell.2$3)(unsafe-make-place-local(make-weak-hasheq)))"
-"(define-values(scope-place-init!)(lambda()(begin(unsafe-place-local-set! cell.2$3(make-weak-hasheq)))))"
+"(define-values(cell.2$2)(unsafe-make-place-local(make-weak-hasheq)))"
+"(define-values(scope-place-init!)(lambda()(begin(unsafe-place-local-set! cell.2$2(make-weak-hasheq)))))"
 "(define-values"
 "(make-interned-scope)"
 "(lambda(sym_0)"
@@ -8608,11 +9135,11 @@ static const char *startup_source =
 "(interned-scope2.1(-(new-scope-id!)) 'interned empty-binding-table sym_0))))))"
 "(call-as-atomic"
 "(lambda()"
-"(let-values(((or-part_0)(ephemeron-value(hash-ref!(unsafe-place-local-ref cell.2$3) sym_0 make_0))))"
+"(let-values(((or-part_0)(ephemeron-value(hash-ref!(unsafe-place-local-ref cell.2$2) sym_0 make_0))))"
 "(if or-part_0"
 " or-part_0"
 "(let-values(((new_0)(make_0)))"
-"(begin(hash-set!(unsafe-place-local-ref cell.2$3) sym_0 new_0)(ephemeron-value new_0)))))))))))"
+"(begin(hash-set!(unsafe-place-local-ref cell.2$2) sym_0 new_0)(ephemeron-value new_0)))))))))))"
 "(define-values"
 "(new-multi-scope)"
 "(let-values(((new-multi-scope8_0)"
@@ -12985,524 +13512,6 @@ static const char *startup_source =
 "(define-values(current-previously-unbound)(lambda()(begin #f)))"
 "(define-values(set-current-previously-unbound!)(lambda(proc_0)(begin(set! current-previously-unbound proc_0))))"
 "(define-values"
-"(log-performance?)"
-"  (if (environment-variables-ref (current-environment-variables) #\"PLT_EXPANDER_TIMES\") #t #f))"
-"(define-values(cell.1$4)(unsafe-make-place-local #f))"
-"(define-values(cell.2$2)(unsafe-make-place-local(make-hasheq)))"
-"(define-values(performance-place-init!)(lambda()(begin(unsafe-place-local-set! cell.2$2(make-hasheq)))))"
-"(define-values"
-"(struct:region"
-" region1.1"
-" region?"
-" region-path"
-" region-start"
-" region-start-memory"
-" region-as-nested"
-" region-as-nested-memory"
-" set-region-start!"
-" set-region-start-memory!"
-" set-region-as-nested!"
-" set-region-as-nested-memory!)"
-"(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
-"(let-values()"
-"(let-values()(make-struct-type 'region #f 5 0 #f null(current-inspector) #f '(0) #f 'region)))))"
-"(values"
-" struct:_0"
-" make-_0"
-" ?_0"
-"(make-struct-field-accessor -ref_0 0 'path)"
-"(make-struct-field-accessor -ref_0 1 'start)"
-"(make-struct-field-accessor -ref_0 2 'start-memory)"
-"(make-struct-field-accessor -ref_0 3 'as-nested)"
-"(make-struct-field-accessor -ref_0 4 'as-nested-memory)"
-"(make-struct-field-mutator -set!_0 1 'start)"
-"(make-struct-field-mutator -set!_0 2 'start-memory)"
-"(make-struct-field-mutator -set!_0 3 'as-nested)"
-"(make-struct-field-mutator -set!_0 4 'as-nested-memory))))"
-"(define-values"
-"(struct:stat stat2.1 stat? stat-msecs stat-memory stat-count set-stat-msecs! set-stat-memory! set-stat-count!)"
-"(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
-"(let-values()"
-"(let-values()(make-struct-type 'stat #f 3 0 #f null(current-inspector) #f '() #f 'stat)))))"
-"(values"
-" struct:_0"
-" make-_0"
-" ?_0"
-"(make-struct-field-accessor -ref_0 0 'msecs)"
-"(make-struct-field-accessor -ref_0 1 'memory)"
-"(make-struct-field-accessor -ref_0 2 'count)"
-"(make-struct-field-mutator -set!_0 0 'msecs)"
-"(make-struct-field-mutator -set!_0 1 'memory)"
-"(make-struct-field-mutator -set!_0 2 'count))))"
-"(define-values(stat-key)(gensym))"
-"(define-values"
-"(start-performance-region)"
-"(lambda path_0"
-"(begin"
-"(unsafe-place-local-set!"
-" cell.1$4"
-"(cons"
-"(region1.1"
-"(if(unsafe-place-local-ref cell.1$4)"
-"((letrec-values(((loop_0)"
-"(lambda(path_1 enclosing-path_0)"
-"(begin"
-" 'loop"
-"(if(null? path_1)"
-" null"
-"(cons"
-"(if(if(eq? '_(car path_1))(pair? enclosing-path_0) #f)"
-"(car enclosing-path_0)"
-"(car path_1))"
-"(loop_0"
-"(cdr path_1)"
-"(if(pair? enclosing-path_0)(cdr enclosing-path_0) null))))))))"
-" loop_0)"
-" path_0"
-"(region-path(car(unsafe-place-local-ref cell.1$4))))"
-" path_0)"
-"(current-inexact-milliseconds)"
-"(current-memory-use 'cumulative)"
-" 0.0"
-" 0)"
-"(unsafe-place-local-ref cell.1$4))))))"
-"(define-values"
-"(end-performance-region)"
-"(lambda()"
-"(begin"
-"(let-values(((now_0)(current-inexact-milliseconds)))"
-"(let-values(((now-memory_0)(current-memory-use 'cumulative)))"
-"(let-values(((r_0)(car(unsafe-place-local-ref cell.1$4))))"
-"(let-values((()"
-"(begin(unsafe-place-local-set! cell.1$4(cdr(unsafe-place-local-ref cell.1$4)))(values))))"
-"(let-values(((full-delta_0)(- now_0(region-start r_0))))"
-"(let-values(((delta_0)(- full-delta_0(region-as-nested r_0))))"
-"(let-values(((full-delta-memory_0)(- now-memory_0(region-start-memory r_0))))"
-"(let-values(((delta-memory_0)(- full-delta-memory_0(region-as-nested-memory r_0))))"
-"(begin"
-"((letrec-values(((loop_0)"
-"(lambda(accums_0 path_0)"
-"(begin"
-" 'loop"
-"(let-values(((key_0)(car path_0)))"
-"(let-values(((accum_0)"
-"(let-values(((or-part_0)(hash-ref accums_0 key_0 #f)))"
-"(if or-part_0"
-" or-part_0"
-"(let-values(((accum_0)(make-hasheq)))"
-"(begin"
-"(hash-set! accums_0 key_0 accum_0)"
-" accum_0))))))"
-"(let-values(((s_0)"
-"(let-values(((or-part_0)"
-"(hash-ref accum_0 stat-key #f)))"
-"(if or-part_0"
-" or-part_0"
-"(let-values(((s_0)(stat2.1 0.0 0 0)))"
-"(begin(hash-set! accum_0 stat-key s_0) s_0))))))"
-"(begin"
-"(set-stat-msecs! s_0(+ delta_0(stat-msecs s_0)))"
-"(set-stat-memory! s_0(+ delta-memory_0(stat-memory s_0)))"
-"(if(null?(cdr path_0))"
-"(let-values()(set-stat-count! s_0(add1(stat-count s_0))))"
-"(void))"
-"(if(null?(cdr path_0))"
-"(void)"
-"(let-values()(loop_0 accum_0(cdr path_0))))))))))))"
-" loop_0)"
-"(unsafe-place-local-ref cell.2$2)"
-"(region-path r_0))"
-"(if(unsafe-place-local-ref cell.1$4)"
-"(let-values()"
-"(begin"
-"(set-region-as-nested!"
-"(car(unsafe-place-local-ref cell.1$4))"
-"(+(region-as-nested(car(unsafe-place-local-ref cell.1$4))) full-delta_0))"
-"(set-region-as-nested-memory!"
-"(car(unsafe-place-local-ref cell.1$4))"
-"(+"
-"(region-as-nested-memory(car(unsafe-place-local-ref cell.1$4)))"
-" full-delta-memory_0))))"
-"(void))))))))))))))"
-"(call-with-values"
-"(lambda()"
-"(if log-performance?"
-"(let-values()"
-"(void"
-"(plumber-add-flush!"
-"(current-plumber)"
-"(lambda(h_0)"
-"(let-values(((whole-len_0)"
-"(lambda(s_0)"
-"(begin"
-" 'whole-len"
-"(caar"
-"                               (let-values (((or-part_0) (regexp-match-positions '#rx\"[.]\" s_0)))"
-"(if or-part_0 or-part_0 '(0))))))))"
-"(let-values(((kb_0)"
-"(lambda(b_0)"
-"(begin"
-" 'kb"
-"(let-values(((s_0)(number->string(quotient b_0 1024))))"
-"(list->string"
-"(let-values(((lst_0)(reverse$1(string->list s_0)))((start_0) 0))"
-"(begin"
-"(if(variable-reference-from-unsafe?(#%variable-reference))"
-"(void)"
-"(let-values()(check-list lst_0)))"
-"(if(variable-reference-from-unsafe?(#%variable-reference))"
-"(void)"
-"(let-values()(check-naturals start_0)))"
-"((letrec-values(((for-loop_0)"
-"(lambda(l_0 lst_1 pos_0)"
-"(begin"
-" 'for-loop"
-"(if(if(pair? lst_1) #t #f)"
-"(let-values(((c_0)(unsafe-car lst_1))"
-"((rest_0)(unsafe-cdr lst_1))"
-"((i_0) pos_0))"
-"(let-values(((l_1)"
-"(let-values(((l_1) l_0))"
-"(let-values(((l_2)"
-"(let-values()"
-"(if(if(positive? i_0)"
-"(zero?"
-"(modulo i_0 3))"
-" #f)"
-"(let-values()"
-"(list*"
-" c_0"
-" '#\\,"
-" l_1))"
-"(let-values()"
-"(cons c_0 l_1))))))"
-"(values l_2)))))"
-"(if(not #f)"
-"(for-loop_0 l_1 rest_0(+ pos_0 1))"
-" l_1)))"
-" l_0)))))"
-" for-loop_0)"
-" null"
-" lst_0"
-" start_0)))))))))"
-"(let-values(((label-max-len_0 value-max-len_0 memory-max-len_0 count-max-len_0)"
-"((letrec-values(((loop_0)"
-"(lambda(accums_0"
-" label-len_0"
-" value-len_0"
-" memory-len_0"
-" count-len_0"
-" indent_0)"
-"(begin"
-" 'loop"
-"(let-values(((ht_0) accums_0))"
-"(begin"
-"(if(variable-reference-from-unsafe?(#%variable-reference))"
-"(void)"
-"(let-values()(check-in-hash ht_0)))"
-"((letrec-values(((for-loop_0)"
-"(lambda(label-len_1"
-" value-len_1"
-" memory-len_1"
-" count-len_1"
-" i_0)"
-"(begin"
-" 'for-loop"
-"(if i_0"
-"(let-values(((k_0 v_0)"
-"(hash-iterate-key+value"
-" ht_0"
-" i_0)))"
-"(let-values(((label-len_2"
-" value-len_2"
-" memory-len_2"
-" count-len_2)"
-"(let-values(((label-len_2)"
-" label-len_1)"
-"((value-len_2)"
-" value-len_1)"
-"((memory-len_2)"
-" memory-len_1)"
-"((count-len_2)"
-" count-len_1))"
-"(let-values(((label-len_3"
-" value-len_3"
-" memory-len_3"
-" count-len_3)"
-"(let-values()"
-"(if(eq?"
-" k_0"
-" stat-key)"
-"(let-values()"
-"(values"
-" label-len_2"
-"(max"
-" value-len_2"
-"(whole-len_0"
-"(format"
-"                                                                                                                          \"~a\""
-"(stat-msecs"
-" v_0))))"
-"(max"
-" memory-len_2"
-"(string-length"
-"(format"
-"                                                                                                                          \"~a\""
-"(kb_0"
-"(stat-memory"
-" v_0)))))"
-"(max"
-" count-len_2"
-"(string-length"
-"(format"
-"                                                                                                                          \"~a\""
-"(stat-count"
-" v_0))))))"
-"(let-values()"
-"(loop_0"
-" v_0"
-"(max"
-" label-len_2"
-"(+"
-" indent_0"
-"(string-length"
-"(format"
-"                                                                                                                           \"~a\""
-" k_0))))"
-" value-len_2"
-" memory-len_2"
-" count-len_2"
-"(+"
-" 2"
-" indent_0)))))))"
-"(values"
-" label-len_3"
-" value-len_3"
-" memory-len_3"
-" count-len_3)))))"
-"(if(not #f)"
-"(for-loop_0"
-" label-len_2"
-" value-len_2"
-" memory-len_2"
-" count-len_2"
-"(hash-iterate-next ht_0 i_0))"
-"(values"
-" label-len_2"
-" value-len_2"
-" memory-len_2"
-" count-len_2))))"
-"(values"
-" label-len_1"
-" value-len_1"
-" memory-len_1"
-" count-len_1))))))"
-" for-loop_0)"
-" label-len_0"
-" value-len_0"
-" memory-len_0"
-" count-len_0"
-"(hash-iterate-first ht_0))))))))"
-" loop_0)"
-"(unsafe-place-local-ref cell.2$2)"
-" 6"
-" 5"
-" 4"
-" 5"
-" 2)))"
-"(begin"
-"(let-values(((l_0)(current-logger)))"
-"(if(log-level? l_0 'error(logger-name l_0))"
-"(let-values()"
-"(log-message"
-" l_0"
-" 'error"
-"(format"
-"                            \"REGION      ~aMSECS   ~aMEMK   ~aCOUNT\""
-"(make-string(-(+ label-max-len_0 value-max-len_0) 11) '#\\space)"
-"(make-string(- memory-max-len_0 4) '#\\space)"
-"(make-string(- count-max-len_0 5) '#\\space))"
-"(current-continuation-marks)))"
-"(void)))"
-"((letrec-values(((loop_0)"
-"(lambda(name_0 accums_0 indent_0 newline?_0)"
-"(begin"
-" 'loop"
-"(let-values((()"
-"(begin"
-"(if name_0"
-"(let-values()"
-"(let-values(((v_0)(hash-ref accums_0 stat-key)))"
-"(let-values(((l_0)(current-logger)))"
-"(if(log-level? l_0 'error(logger-name l_0))"
-"(let-values()"
-"(log-message"
-" l_0"
-" 'error"
-"(format"
-"                                                                        \"~a~a   ~a~a   ~a~a   ~a~a\""
-" indent_0"
-" name_0"
-"(make-string"
-"(+"
-"(-"
-" label-max-len_0"
-"                                                                           (string-length (format \"~a\" name_0))"
-"(string-length indent_0))"
-"(-"
-" value-max-len_0"
-"(whole-len_0"
-"                                                                            (format \"~a\" (stat-msecs v_0)))))"
-" '#\\space)"
-"(regexp-replace"
-"                                                                         '#rx\"[.](..).*\""
-"                                                                         (format \"~a00\" (stat-msecs v_0))"
-"                                                                         \".\\\\1\")"
-"(make-string"
-"(-"
-" memory-max-len_0"
-"(string-length"
-"                                                                           (format \"~a\" (kb_0 (stat-memory v_0)))))"
-" '#\\space)"
-"(kb_0(stat-memory v_0))"
-"(make-string"
-"(-"
-" count-max-len_0"
-"(string-length"
-"                                                                           (format \"~a\" (stat-count v_0))))"
-" '#\\space)"
-"(stat-count v_0))"
-"(current-continuation-marks)))"
-"(void)))))"
-"(void))"
-"(values))))"
-"(let-values(((keys_0)"
-"(let-values(((temp5_0)"
-"(reverse$1"
-"(let-values(((ht_0) accums_0))"
-"(begin"
-"(if(variable-reference-from-unsafe?"
-"(#%variable-reference))"
-"(void)"
-"(let-values()"
-"(check-in-hash-keys ht_0)))"
-"((letrec-values(((for-loop_0)"
-"(lambda(fold-var_0 i_0)"
-"(begin"
-" 'for-loop"
-"(if i_0"
-"(let-values(((k_0)"
-"(hash-iterate-key"
-" ht_0"
-" i_0)))"
-"(let-values(((fold-var_1)"
-"(let-values(((fold-var_1)"
-" fold-var_0))"
-"(if(not"
-"(eq?"
-" k_0"
-" stat-key))"
-"(let-values(((fold-var_2)"
-" fold-var_1))"
-"(let-values(((fold-var_3)"
-"(let-values()"
-"(cons"
-"(let-values()"
-" k_0)"
-" fold-var_2))))"
-"(values"
-" fold-var_3)))"
-" fold-var_1))))"
-"(if(not #f)"
-"(for-loop_0"
-" fold-var_1"
-"(hash-iterate-next"
-" ht_0"
-" i_0))"
-" fold-var_1)))"
-" fold-var_0)))))"
-" for-loop_0)"
-" null"
-"(hash-iterate-first ht_0))))))"
-"((>6_0) >)"
-"((temp7_0)"
-"(lambda(key_0)"
-"(stat-msecs"
-"(hash-ref"
-"(hash-ref accums_0 key_0)"
-" stat-key)))))"
-"(sort7.1 #f temp7_0 temp5_0 >6_0))))"
-"(begin"
-"(let-values(((lst_0) keys_0)((start_0) 0))"
-"(begin"
-"(if(variable-reference-from-unsafe?(#%variable-reference))"
-"(void)"
-"(let-values()(check-list lst_0)))"
-"(if(variable-reference-from-unsafe?(#%variable-reference))"
-"(void)"
-"(let-values()(check-naturals start_0)))"
-"((letrec-values(((for-loop_0)"
-"(lambda(lst_1 pos_0)"
-"(begin"
-" 'for-loop"
-"(if(if(pair? lst_1) #t #f)"
-"(let-values(((k_0)(unsafe-car lst_1))"
-"((rest_0)(unsafe-cdr lst_1))"
-"((i_0) pos_0))"
-"(let-values((()"
-"(let-values()"
-"(let-values((()"
-"(let-values()"
-"(begin"
-"(let-values()"
-"(begin"
-"(if(if newline?_0"
-"(positive?"
-" i_0)"
-" #f)"
-"(let-values()"
-"(let-values(((l_0)"
-"(current-logger)))"
-"(if(log-level?"
-" l_0"
-" 'error"
-"(logger-name"
-" l_0))"
-"(let-values()"
-"(log-message"
-" l_0"
-" 'error"
-"                                                                                                                               \"\""
-"(current-continuation-marks)))"
-"(void))))"
-"(void))"
-"(loop_0"
-" k_0"
-"(hash-ref"
-" accums_0"
-" k_0)"
-"(string-append"
-" indent_0"
-"                                                                                                                      \"  \")"
-" #f)))"
-"(values)))))"
-"(values)))))"
-"(if(not #f)"
-"(for-loop_0 rest_0(+ pos_0 1))"
-"(values))))"
-"(values))))))"
-" for-loop_0)"
-" lst_0"
-" start_0)))"
-"(void))))))))"
-" loop_0)"
-" #f"
-"(unsafe-place-local-ref cell.2$2)"
-"                     \"\""
-" #t)))))))))"
-"(void)))"
-" print-values)"
-"(define-values"
 "(struct:module-use module-use1.1 module-use? module-use-module module-use-phase)"
 "(let-values(((struct:_0 make-_0 ?_0 -ref_0 -set!_0)"
 "(let-values()"
@@ -14195,14 +14204,7 @@ static const char *startup_source =
 "(void)"
 "                                        (let-values () (error \"not a module path index:\" mpi_0)))"
 "(values))))"
-"(let-values(((name_0)"
-"(begin"
-"(if log-performance?"
-"(let-values()(start-performance-region 'eval 'resolve))"
-"(void))"
-"(begin0"
-"(let-values()(1/module-path-index-resolve mpi_0 #t))"
-"(if log-performance?(let-values()(end-performance-region))(void))))))"
+"(let-values(((name_0)(1/module-path-index-resolve mpi_0 #t)))"
 "(let-values(((m_0)(namespace->module ns_0 name_0)))"
 "(let-values((()"
 "(begin"