commit fead29d30b2985a1ba338759054f99d71d81f3c0
Author: Renlin Li <renlin.li@arm.com>
Date:   Tue Oct 28 16:30:42 2014 +0000

    fix pr61529

diff --git a/gcc/testsuite/gcc.dg/pr61529.c b/gcc/testsuite/gcc.dg/pr61529.c
new file mode 100644
index 0000000..9ae2e06
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr61529.c
@@ -0,0 +1,26 @@
+/* PR middle-end/61529 */
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+unsigned int a, b, c;
+
+int
+main ()
+{
+  unsigned int d;
+  int e[5];
+
+  for (; b < 1; b++)
+    d = 0;
+  for (; d < 1; d++)
+    a = 0;
+  for (; a < 1; a++)
+    ;
+
+  for (c = 0; c < 5; c++)
+    e[c] = 1;
+  if (e[0])
+    c = 0;
+
+  return 0;
+}
diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c
index d2cf4de..e3077a1 100644
--- a/gcc/tree-ssa-threadupdate.c
+++ b/gcc/tree-ssa-threadupdate.c
@@ -730,6 +730,10 @@ compute_path_counts (struct redirection_data *rd,
             nonpath_count += ein->count;
         }
     }
+
+  if (path_in_freq > BB_FREQ_MAX)
+    path_in_freq = BB_FREQ_MAX;
+
   BITMAP_FREE (in_edge_srcs);
 
   /* Now compute the fraction of the total count coming into the first