re PR tree-optimization/82422 ([graphite] ICE in set_codegen_error, at graphite-isl...

2017-10-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82422
	* gcc.dg/graphite/pr82422.c: New testcase.

From-SVN: r253479

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 10ec90e807d7febe1be7ab1c66834eeec1005f73..64783cdf70b2ee92abfe89c3274274c6d89c1e1e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-06  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/82422
+       * gcc.dg/graphite/pr82422.c: New testcase.
+
 2017-10-06  Richard Biener  <rguenther@suse.de>
 
        PR tree-optimization/82421

diff --git a/gcc/testsuite/gcc.dg/graphite/pr82422.c b/gcc/testsuite/gcc.dg/graphite/pr82422.c
new file mode 100644 (file)
index 0000000..281a749
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr82422.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -floop-nest-optimize -Wno-aggressive-loop-optimizations" } */
+
+int a;
+int b[6];
+int c ()
+{
+  int d;
+  for (; d; d++)
+    b[d] = 0;
+  for (; d < 8; d++)
+    a += b[d];
+}