re PR tree-optimization/52638 (ice in build_vector_from_val)

2012-03-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52638
	* g++.dg/torture/pr52638.C: New testcase.

From-SVN: r185727

gcc/testsuite/ChangeLog

+2012-03-23  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/52638
+	* g++.dg/torture/pr52638.C: New testcase.
+
 2012-03-22  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/52487

gcc/testsuite/g++.dg/torture/pr52638.C

+// { dg-do compile }
+// { dg-options "-ftree-vectorize" }
+
+void
+bar (bool * b, bool * e, bool t)
+{
+  while (b < e)
+    *b++ = t;
+}
+
+void
+foo (bool * b, bool * e, bool t)
+{
+  bar (b, e, true);
+}