[PATCH] Fix PR53406

[Richard Guenther]

This fixes PR53406, calling execute_fixup_cfg may need a subsequent
cfg-cleanup run.

Profiledbootstrap and regtest running on x86_64-unknown-linux-gnu.

Richard.

2012-05-24  Richard Guenther  <rguent...@suse.de>

        PR middle-end/53460
        * tree-profile.c (tree_profiling): Cleanup the CFG if
        execute_fixup_cfg requests it.

        * g++.dg/tree-prof/pr53460.C: New testcase.

Index: gcc/tree-profile.c
===================================================================
--- gcc/tree-profile.c  (revision 187769)
+++ gcc/tree-profile.c  (working copy)
@@ -497,7 +497,8 @@ tree_profiling (void)
       gcov_type_tmp_var = NULL_TREE;
 
       /* Local pure-const may imply need to fixup the cfg.  */
-      execute_fixup_cfg ();
+      if (execute_fixup_cfg () & TODO_cleanup_cfg)
+       cleanup_tree_cfg ();
       branch_prob ();
 
       if (! flag_branch_probabilities
Index: gcc/testsuite/g++.dg/tree-prof/pr53460.C
===================================================================
--- gcc/testsuite/g++.dg/tree-prof/pr53460.C    (revision 0)
+++ gcc/testsuite/g++.dg/tree-prof/pr53460.C    (revision 0)
@@ -0,0 +1,25 @@
+// { dg-options "-O" }
+
+template<typename T> class OwnPtr {
+public:
+    ~OwnPtr();
+};
+template<class T> class GlyphMetricsMap {
+public:
+    GlyphMetricsMap() { }
+    OwnPtr<int> m_pages;
+};
+class SimpleFontData {
+public:
+    void boundsForGlyph() const;
+};
+inline __attribute__((__always_inline__))
+void SimpleFontData::boundsForGlyph() const
+{
+  new GlyphMetricsMap<int>;
+}
+void offsetToMiddleOfGlyph(const SimpleFontData* fontData)
+{
+  fontData->boundsForGlyph();
+}
+int main() {}