From 847360aa602306071d44488099896f51cb5441e2 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sat, 27 Oct 2012 09:23:10 -0600
Subject: [PATCH] avoid compiler warning

---
 src/racket/src/jitcommon.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/racket/src/jitcommon.c b/src/racket/src/jitcommon.c
index da8c7b9731..f3af854d10 100644
--- a/src/racket/src/jitcommon.c
+++ b/src/racket/src/jitcommon.c
@@ -1566,12 +1566,15 @@ int scheme_generate_struct_op(mz_jit_state *jitter, int kind, int for_branch,
 # endif
 #endif
     }
-    if (pop_and_jump)
+    if (pop_and_jump) {
       mz_epilog(JIT_V1);
-    else if (!for_branch) {
+      refdone = NULL;
+    } else if (!for_branch) {
       __START_INNER_TINY__(1);
       refdone = jit_jmpi(jit_forward());
       __END_INNER_TINY__(1);
+    } else {
+      refdone = NULL;
     }
 
     /* False branch: */