From edf73f051270b0dadf2f6d24070cfe98be6a41e2 Mon Sep 17 00:00:00 2001
From: Eric Holk <eholk@mozilla.com>
Date: Tue, 21 Jun 2011 13:13:15 -0700
Subject: [PATCH] Setting rt optimization on OS X to -O0 when using clang, like
 we already do with gcc. Tail-call elimination was causing valgrind errors
 with stack switching. Closes #494.

---
 mk/platform.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mk/platform.mk b/mk/platform.mk
index ee785dd7263..fb50285bbd2 100644
--- a/mk/platform.mk
+++ b/mk/platform.mk
@@ -49,7 +49,7 @@ ifeq ($(CFG_OSTYPE), Darwin)
   #
   # NB: Currently GCC's optimizer breaks rustrt (task-comm-1 hangs) on Darwin.
   CFG_GCC_CFLAGS += -m32 -O0
-  CFG_CLANG_CFLAGS += -m32 -O2
+  CFG_CLANG_CFLAGS += -m32 -O0
   ifeq ($(CFG_CPUTYPE), x86_64)
     CFG_GCCISH_CFLAGS += -arch i386
     CFG_GCCISH_LINK_FLAGS += -arch i386