Canonicalize some of the x86 builtin tests and either remove or comment
about optimization options.

llvm-svn: 250271
diff --git a/clang/test/CodeGen/avx512er-builtins.c b/clang/test/CodeGen/avx512er-builtins.c
index 993f177..fe8b20d 100644
--- a/clang/test/CodeGen/avx512er-builtins.c
+++ b/clang/test/CodeGen/avx512er-builtins.c
@@ -1,4 +1,7 @@
-// RUN: %clang_cc1 %s -O0 -triple=x86_64-apple-darwin -ffreestanding -target-feature +avx512f -target-feature +avx512er -emit-llvm -o - -Werror | FileCheck %s
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin -target-feature +avx512f -target-feature +avx512er -emit-llvm -o - -Werror | FileCheck %s
+
+// Don't include mm_malloc.h, it's system specific.
+#define __MM_MALLOC_H
 
 #include <immintrin.h>