From f8dac3d47d60b2890a1f1aa9430e7867a7dd45b7 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Mon, 26 Mar 2018 17:27:54 -0600
Subject: [PATCH] byte compiler: fix excessive fixnum assumptions in unsafe
 mode

The comparison operations `=`, `<`, etc., were incorrectly compiled as
fixnum operations in the expander's implementation.
---
 racket/src/racket/src/optimize.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/racket/src/racket/src/optimize.c b/racket/src/racket/src/optimize.c
index 3aa9d7216b..805a8db82a 100644
--- a/racket/src/racket/src/optimize.c
+++ b/racket/src/racket/src/optimize.c
@@ -4002,7 +4002,7 @@ static void check_known_both_try(Optimize_Info *info, Scheme_Object *app,
   if (!who || IS_NAMED_PRIM(rator, who)) {
     Scheme_Object *pred1, *pred2;
 
-    if (info->unsafe_mode) {
+    if (unsafe_mode) {
       reset_rator(app, unsafe);
     } else {
       pred1 = expr_implies_predicate(rand1, info);