From 3c4cd5428a1cfc43516f57506c1faf775c2a4abc Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 29 Aug 2014 15:09:14 +0900
Subject: allow no_optimize esp. for debugger

---
 src/codegen.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/codegen.c')

diff --git a/src/codegen.c b/src/codegen.c
index 031605eb7..78d641faf 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -162,11 +162,19 @@ genop(codegen_scope *s, mrb_code i)
 #define NOVAL  0
 #define VAL    1
 
+static mrb_bool
+no_optimize(codegen_scope *s)
+{
+  if (s && s->parser && s->parser->no_optimize)
+    return TRUE;
+  return FALSE;
+}
+
 static int
 genop_peep(codegen_scope *s, mrb_code i, int val)
 {
   /* peephole optimization */
-  if (s->lastlabel != s->pc && s->pc > 0) {
+  if (!no_optimize(s) && s->lastlabel != s->pc && s->pc > 0) {
     mrb_code i0 = s->iseq[s->pc-1];
     int c1 = GET_OPCODE(i);
     int c0 = GET_OPCODE(i0);
-- 
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