re PR middle-end/36125 (FAIL: 26_numerics/complex/13450.cc: ICE in…

re PR middle-end/36125 (FAIL: 26_numerics/complex/13450.cc: ICE in verify_gimple_expr, at tree-cfg.c:3962)

	PR middle-end/36125
	* function.c (gimplify_parameters): For callee copies parameters,
	move TREE_ADDRESSABLE flag from the PARM_DECL to the local copy.

	* gcc.c-torture/compile/pr36125.c: New test.

From-SVN: r141848

gcc/ChangeLog

+2008-11-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/36125
+	* function.c (gimplify_parameters): For callee copies parameters,
+	move TREE_ADDRESSABLE flag from the PARM_DECL to the local copy.
+
 2008-11-13  Thomas Schwinge  <tschwinge@gnu.org>
 
 	PR target/28102

gcc/function.c

@@ -3265,6 +3265,14 @@ gimplify_parameters (void)
 		{
 		  local = create_tmp_var (type, get_name (parm));
 		  DECL_IGNORED_P (local) = 0;
+		  /* If PARM was addressable, move that flag over
+		     to the local copy, as its address will be taken,
+		     not the PARMs.  */
+		  if (TREE_ADDRESSABLE (parm))
+		    {
+		      TREE_ADDRESSABLE (parm) = 0;
+		      TREE_ADDRESSABLE (local) = 1;
+		    }
 		}
 	      else
 		{

gcc/testsuite/ChangeLog

+2008-11-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/36125
+	* gcc.c-torture/compile/pr36125.c: New test.
+
 2008-11-13  Jason Merrill  <jason@redhat.com>
 
 	PR c++/37932

gcc/testsuite/gcc.c-torture/compile/pr36125.c

+/* PR middle-end/36125 */
+
+extern void bar (long double *);
+
+int
+foo (long double x)
+{
+  bar (&x);
+  return 0;
+}