re PR c/34601 (ICE with undefined enum)

2008-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34601
	* emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
	instead of TYPE_MODE to deal with calls from expand_one_error_var.

	* gcc.dg/noncompile/incomplete-4.c: New testcase.

From-SVN: r131506

gcc/ChangeLog

+2008-01-13  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/34601
+	* emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
+	instead of TYPE_MODE to deal with calls from expand_one_error_var.
+
 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcse.c (cprop_jump): Call validate_unshare_change instead of

gcc/emit-rtl.c

@@ -1006,7 +1006,7 @@ set_reg_attrs_for_decl_rtl (tree t, rtx x)
   if (REG_P (x))
     REG_ATTRS (x)
       = get_reg_attrs (t, byte_lowpart_offset (GET_MODE (x),
-					       TYPE_MODE (TREE_TYPE (t))));
+					       DECL_MODE (t)));
   if (GET_CODE (x) == CONCAT)
     {
       if (REG_P (XEXP (x, 0)))

gcc/testsuite/ChangeLog

+2008-01-13  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/34601
+	* gcc.dg/noncompile/incomplete-4.c: New testcase.
+
 2008-01-13  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/32135

gcc/testsuite/gcc.dg/noncompile/incomplete-4.c

+void foo()
+{
+  enum E e; /* { dg-error "storage size" } */
+}