re PR target/42295 (ICE: 'error: unable to find a register to spill in class…

re PR target/42295 (ICE: 'error: unable to find a register to spill in class "AREG"' with -fschedule-insns)

	PR target/42295
	* g++.dg/opt/pr42295.C: New test.

From-SVN: r190854

gcc/testsuite/ChangeLog

+2012-09-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/42295
+	* g++.dg/opt/pr42295.C: New test.
+
+
 2012-09-01  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/54436

gcc/testsuite/g++.dg/opt/pr42295.C

+// { dg-do compile { target i?86-*-* x86_64-*-* } }
+// { dg-options "-O1 -fschedule-insns -fselective-scheduling" }
+
+extern int f (...);
+
+int
+testsum (void *a, int k, int n)
+{
+  int i, j;
+
+  f (n / 2);
+  for (i = 0; i < n; i += 8)
+    for (j = 0; j < n; j += 8)
+      while (k < n)
+	k += 8;
+
+  return k;
+}