From 29a299e373d5f0e326be74c514c7c70ddf50cce1 Mon Sep 17 00:00:00 2001
From: Fabien <fabcien@gmail.com>
Date: Tue, 27 Oct 2020 08:43:10 +0100
Subject: [PATCH] Run the undefined behaviour sanitizer on Travis

Run UBSAN with both GCC and Clang, on Linux and macOS.
The `halt_on_error=1` option is required to make the build fail if the
sanitizer finds an issue.
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index ce8d6391b2f21..91f1d41a2a38b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,7 @@ env:
     - BUILD=distcheck WITH_VALGRIND=no CTIMETEST=no BENCH=no
     - CPPFLAGS=-DDETERMINISTIC
     - CFLAGS=-O0 CTIMETEST=no
+    - CFLAGS="-fsanitize=undefined -fno-omit-frame-pointer" LDFLAGS="-fsanitize=undefined -fno-omit-frame-pointer" UBSAN_OPTIONS="print_stacktrace=1:halt_on_error=1" BIGNUM=no ASM=x86_64 ECDH=yes RECOVERY=yes EXPERIMENTAL=yes SCHNORRSIG=yes CTIMETEST=no
     - ECMULTGENPRECISION=2
     - ECMULTGENPRECISION=8
     - RUN_VALGRIND=yes BIGNUM=no ASM=x86_64 ECDH=yes  RECOVERY=yes EXPERIMENTAL=yes SCHNORRSIG=yes EXTRAFLAGS="--disable-openssl-tests" BUILD=