2006-01-13 Daniel Berlin <dberlin@dberlin.org>

	PR tree-optimization/25771
	* tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
	SSA_NAMES.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109669 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 32 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr25771.C b/gcc/testsuite/g++.dg/tree-ssa/pr25771.C
new file mode 100644
index 00000000000..e9e53360ebf
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr25771.C
@@ -0,0 +1,32 @@
+int  ggggg();
+struct string {
+  static int _S_empty_rep_storage[];
+  void  _M_destroy();
+  char* _M_rep;
+  ~string()
+  {
+    if (_M_rep != (char*)&_S_empty_rep_storage )
+      if (ggggg() <= 0)
+        _M_destroy();
+  }
+};
+extern void SDL_FreeSurface(int surface);
+struct scoped_resource {
+  ~scoped_resource()  {
+    SDL_FreeSurface(1);
+  }
+};
+struct surface {
+  scoped_resource surface_;
+};
+struct button {
+  string help_text_;
+  string label_;
+  surface image_;
+};
+struct scrollbar {
+  string help_text_;
+  button uparrow_;
+};
+scrollbar a;
+