re PR tree-optimization/46864 (ICE: verify_stmts failed: statement marked for throw, but doesn't with -fnon-call-exceptions)

PR tree-optimization/46864
	* tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
	when there are EDGE_EH exit edges.

	* g++.dg/opt/pr46864.C: New test.

From-SVN: r167685

gcc/ChangeLog

@@ -1,3 +1,9 @@
+2010-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/46864
+	* tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
+	when there are EDGE_EH exit edges.
+
 2010-12-10  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/46540

gcc/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2010-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/46864
+	* g++.dg/opt/pr46864.C: New test.
+
 2010-12-10  Jack Howarth  <howarth@bromo.med.uc.edu>
 	    Iain Sandoe  <iains@gcc.gnu.org>
 

gcc/testsuite/g++.dg/opt/pr46864.C

@@ -0,0 +1,26 @@
+// PR tree-optimization/46864
+// { dg-do compile }
+// { dg-options "-O -fnon-call-exceptions" }
+
+int baz ();
+
+struct S
+{
+  int k;
+  bool bar () throw ()
+  {
+    int m = baz ();
+    for (int i = 0; i < m; i++)
+      k = i;
+    return m;
+  }
+};
+
+extern S *s;
+
+void
+foo ()
+{
+  while (baz () && s->bar ())
+    ;
+}

gcc/tree-ssa-loop-im.c

@@ -2369,7 +2369,7 @@ loop_suitable_for_sm (struct loop *loop ATTRIBUTE_UNUSED,
   edge ex;
 
   FOR_EACH_VEC_ELT (edge, exits, i, ex)
-    if (ex->flags & EDGE_ABNORMAL)
+    if (ex->flags & (EDGE_ABNORMAL | EDGE_EH))
       return false;
 
   return true;