From 6ce4d0b3350b81a932d545011aa966af25bb5350 Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Thu, 12 May 2016 16:43:17 -0700
Subject: prepare to enable ubsan in continuous build

---
 build.yaml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'build.yaml')

diff --git a/build.yaml b/build.yaml
index 187eb9ca8c..acf630593d 100644
--- a/build.yaml
+++ b/build.yaml
@@ -3255,14 +3255,16 @@ configs:
     timeout_multiplier: 5
   ubsan:
     CC: clang
-    CPPFLAGS: -O1 -fsanitize-coverage=edge -fsanitize=undefined -fno-omit-frame-pointer
-      -Wno-unused-command-line-argument
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=undefined,unsigned-integer-overflow
+      -fno-omit-frame-pointer -Wno-unused-command-line-argument -Wvarargs
     CXX: clang++
     DEFINES: NDEBUG
     LD: clang
-    LDFLAGS: -fsanitize=undefined
+    LDFLAGS: -fsanitize=undefined,unsigned-integer-overflow
     LDXX: clang++
     compile_the_world: true
+    test_environ:
+      UBSAN_OPTIONS: print_stacktrace=1
     timeout_multiplier: 1.5
 defaults:
   boringssl:
-- 
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