re PR c++/46282 ([C++0x] ICE: SIGSEGV in grokbitfield (decl2.c:1054))

	PR c++/46282
	* decl2.c (grokbitfield): Handle type-dependent width.

From-SVN: r170600

gcc/cp/ChangeLog

+2011-03-01  Jason Merrill  <jason@redhat.com>
+
+	PR c++/46282
+	* decl2.c (grokbitfield): Handle type-dependent width.
+
 2011-02-28  Jason Merrill  <jason@redhat.com>
 
 	PR c++/47873

gcc/cp/decl2.c

@@ -1052,7 +1052,8 @@ grokbitfield (const cp_declarator *declarator,
   if (width != error_mark_node)
     {
       /* The width must be an integer type.  */
-      if (!INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (TREE_TYPE (width)))
+      if (!type_dependent_expression_p (width)
+	  && !INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (TREE_TYPE (width)))
 	error ("width of bit-field %qD has non-integral type %qT", value,
 	       TREE_TYPE (width));
       DECL_INITIAL (value) = width;

gcc/testsuite/ChangeLog

+2011-03-01  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/cpp0x/regress/bitfield-err1.C: New.
+
 2011-03-01  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/47890

gcc/testsuite/g++.dg/cpp0x/regress/bitfield-err1.C

+// PR c++/46282
+// { dg-options -std=c++0x }
+
+template<int>
+class A
+{
+  A : i() {}			// { dg-message "" }
+  int i;
+};