LeOSium_old/patches/0001-Vanadium/0004-enable-fwrapv-in-Clang...

25 lines
769 B
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Thu, 22 Dec 2016 07:15:34 -0500
Subject: [PATCH] enable -fwrapv in Clang for non-UBSan builds
---
build/config/compiler/BUILD.gn | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 04a4efb658b28..e91ed9c20f8f1 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -348,6 +348,10 @@ config("compiler") {
}
}
+ if (is_clang && !is_ubsan && !is_ubsan_security) {
+ cflags += [ "-fwrapv" ]
+ }
+
# Linker warnings.
if (fatal_linker_warnings && !is_apple && current_os != "aix" &&
current_os != "zos") {