From 5f919d5c9d9e7605b82841ffdcf5d1a16a1613fa Mon Sep 17 00:00:00 2001 From: Daniel Micay Date: Tue, 13 Sep 2016 22:05:56 -0400 Subject: [PATCH] use -fwrapv when signed overflow checking is off --- core/config_sanitizers.mk | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk index d570ccda8e..b200572d32 100644 --- a/core/config_sanitizers.mk +++ b/core/config_sanitizers.mk @@ -367,3 +367,9 @@ ifneq ($(my_sanitize_diag),) endif endif endif + +ifeq ($(filter signed-integer-overflow integer undefined,$(my_sanitize)),) + ifeq ($(filter -ftrapv,$(my_cflags)),) + my_cflags += -fwrapv + endif +endif