re PR c++/28148 (ICE with pointer to member function initializer and cast to a different type)

	PR c++/28148
	* varasm.c (output_constant): Give the front end another chance to
	expand constants, after stripping NOPs.

	PR c++/28148
	* g++.dg/init/ptrmem3.C: New test.

From-SVN: r115919

gcc/ChangeLog

+2006-08-03  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/28148
+	* varasm.c (output_constant): Give the front end another chance to
+	expand constants, after stripping NOPs.
+
 2006-08-03  Jan Hubicka  <jh@suse.cz>
 
 	* domwalk.c (walk_dominator_tree): Reorganize to non-recursive

gcc/testsuite/ChangeLog

+2006-08-03  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/28148
+	* g++.dg/init/ptrmem3.C: New test.
+
 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
 
 	PR tree-optimization/27770

gcc/testsuite/g++.dg/init/ptrmem3.C

+// PR c++/28148
+
+struct foo {
+public:
+  virtual int bar(int);
+};
+
+void (foo::*__Virtual__foo__Var1)() = (void (foo::*)())(&foo::bar);

gcc/varasm.c

@@ -4048,6 +4048,9 @@ output_constant (tree exp, unsigned HOST_WIDE_INT size, unsigned int align)
   code = TREE_CODE (TREE_TYPE (exp));
   thissize = int_size_in_bytes (TREE_TYPE (exp));
 
+  /* Give the front end another chance to expand constants.  */
+  exp = lang_hooks.expand_constant (exp);
+
   /* Allow a constructor with no elements for any data type.
      This means to fill the space with zeros.  */
   if (TREE_CODE (exp) == CONSTRUCTOR