[Beignet] [PATCH 3/3] Change -O3 to -O2 again because my previous change's typo.

[Yang Rong]

Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
 backend/src/backend/program.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/src/backend/program.cpp b/backend/src/backend/program.cpp
index 6ba9593..dada7bc 100644
--- a/backend/src/backend/program.cpp
+++ b/backend/src/backend/program.cpp
@@ -478,7 +478,7 @@ namespace gbe {
     // so disable it currently.
     args.push_back("-fno-builtin");
     if(bOpt)
-      args.push_back("-O3");
+      args.push_back("-O2");
     if(bFastMath)
       args.push_back("-D __FAST_RELAXED_MATH__=1");
 #if LLVM_VERSION_MINOR <= 2
-- 
1.8.1.2