re PR target/43070 (g++.dg/ext/label2.C fails to compile at -O1)

	PR c++/43070
	* semantics.c (finish_goto_stmt): Don't call decay_conversion.

From-SVN: r156872

gcc/cp/ChangeLog

 2010-02-18  Jason Merrill  <jason@redhat.com>
 
+	PR c++/43070
+	* semantics.c (finish_goto_stmt): Don't call decay_conversion.
+
 	PR c++/26261
 	PR c++/43101
 	* pt.c (tsubst_qualified_id): Do normal lookup in non-dependent scope.

gcc/cp/semantics.c

@@ -546,10 +546,8 @@ finish_goto_stmt (tree destination)
     TREE_USED (destination) = 1;
   else
     {
-      /* The DESTINATION is being used as an rvalue.  */
       if (!processing_template_decl)
 	{
-	  destination = decay_conversion (destination);
 	  destination = cp_convert (ptr_type_node, destination);
 	  if (error_operand_p (destination))
 	    return NULL_TREE;

gcc/testsuite/ChangeLog

 2010-02-18  Jason Merrill  <jason@redhat.com>
 
+	PR c++/43070
+	* g++.dg/ext/label1.C: Update.
+	* g++.dg/ext/label2.C: Update.
+
 	PR c++/26261
 	* g++.dg/template/dependent-name6.C: New.
 

gcc/testsuite/g++.dg/ext/label1.C

@@ -2,7 +2,9 @@
 
 int main(void) {
   static const void* lbls[2][2] = {{&&lbl0, &&lbl0}, {&&lbl0, &&lbl0}};
-  goto *lbls[0];
+  goto *lbls[0][0];
+  goto *lbls[0][0][0];		// { dg-message "" }
+  goto *lbls[0];		// { dg-error "" }
  lbl0:
   ;
 }

gcc/testsuite/g++.dg/ext/label2.C

@@ -5,7 +5,7 @@ void f() {
  l:
   void *p[] = { &&l };
 
-  goto *p;
+  goto *p[0];
 }
 
 template void f<int>();