re PR tree-optimization/92241 (ice in vect_mark_pattern_st mts, at tree-vect-patterns.c:5175)

2019-10-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92241
	* gcc.dg/torture/pr92241-2.c: New testcase.

From-SVN: r277553

gcc/testsuite/ChangeLog

+2019-10-29  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/92241
+	* gcc.dg/torture/pr92241-2.c: New testcase.
+
 2019-10-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/92258

gcc/testsuite/gcc.dg/torture/pr92241-2.c

+/* { dg-do compile } */
+/* { dg-additional-options "-ftree-vectorize" } */
+
+int ze, r2;
+int i0[2];
+
+void
+np (int ch)
+{
+  while (ch < 1)
+    {
+      if (i0[ch] != 0)
+        ze = r2 = ch;
+
+      ++ch;
+    }
+}