From: Marek Polacek <polacek@redhat.com>
Date: Thu, 8 Jun 2017 12:38:27 +0000 (+0000)
Subject: re PR sanitizer/80932 (UBSAN: false positive as a result of distribution: c1*(c2... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ed418891b23588989460bc85fb53c60fbabbcbc;p=gcc.git

re PR sanitizer/80932 (UBSAN: false positive as a result of distribution: c1*(c2*v1-c3*v2)=>c1*c2*v1-c1*c3*v2)

	PR sanitize/80932
	* c-c++-common/ubsan/pr80932.c: Test with ints, not with long ints.

From-SVN: r249010
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 677b7d1d67c..59b25749f4b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-06-08  Marek Polacek  <polacek@redhat.com>
+
+	PR sanitize/80932
+	* c-c++-common/ubsan/pr80932.c: Test with ints, not with long ints.
+
 2017-08-08  Julia Koval  <julia.koval@intel.com>
 
 	PR target/73350,80862
diff --git a/gcc/testsuite/c-c++-common/ubsan/pr80932.c b/gcc/testsuite/c-c++-common/ubsan/pr80932.c
index a833712d383..92903f7e0ee 100644
--- a/gcc/testsuite/c-c++-common/ubsan/pr80932.c
+++ b/gcc/testsuite/c-c++-common/ubsan/pr80932.c
@@ -4,10 +4,10 @@
 
 int x = 1;
 
-long int
+int
 foo (void)
 {
-  return ((long) (13801962912760474560ULL * x) - (long) (15334142073106273231ULL * x)) * -6;
+  return ((int) (2855545792U * x) - (int) (3269399503U * x)) * -5;
 }
 
 int