From: Yury Gribov <tetra2005@gmail.com>
Date: Mon, 17 Jul 2017 14:58:00 +0000 (+0000)
Subject: tree-vrp.c (compare_assert_loc): Fix comparison function to return predictable results.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5dc3163d0e7d97c3b0c25c5a6161c5bb52a7fe16;p=gcc.git

tree-vrp.c (compare_assert_loc): Fix comparison function to return predictable results.

2017-07-17  Yury Gribov  <tetra2005@gmail.com>

gcc/
        * tree-vrp.c (compare_assert_loc): Fix comparison function
	to return predictable results.

From-SVN: r250278
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e28c1acd43..e99f156e3b6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-17  Yury Gribov  <tetra2005@gmail.com>
+
+        * tree-vrp.c (compare_assert_loc): Fix comparison function
+	to return predictable results.
+
 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
 
 	* config/arc/arc.md (adddi3): Remove support for mexpand-adddi
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index 28205f19751..1f0b6880c45 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -6459,7 +6459,7 @@ compare_assert_loc (const void *pa, const void *pb)
     return (a->e != NULL
 	    ? a->e->src->index - b->e->src->index
 	    : a->bb->index - b->bb->index);
-  return ha - hb;
+  return ha > hb ? 1 : -1;
 }
 
 /* Process all the insertions registered for every name N_i registered