re PR c++/42061 ([c++0x] ICE with invalid initializer list for reference)

	PR c++/42061
	* call.c (reference_binding): Return NULL for initializer list with
	error operand inside of it.

	* g++.dg/cpp0x/initlist27.C: New test.

From-SVN: r154238

gcc/cp/ChangeLog

 2009-11-17  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/42061
+	* call.c (reference_binding): Return NULL for initializer list with
+	error operand inside of it.
+
 	PR c++/42059
 	* typeck.c (cp_build_modify_expr): For initializer list call
 	check_array_initializer to make sure lhs isn't a VLA.

gcc/cp/call.c

@@ -1235,6 +1235,8 @@ reference_binding (tree rto, tree rfrom, tree expr, bool c_cast_p, int flags)
 	  && CONSTRUCTOR_NELTS (expr) == 1)
 	{
 	  expr = CONSTRUCTOR_ELT (expr, 0)->value;
+	  if (error_operand_p (expr))
+	    return NULL;
 	  from = TREE_TYPE (expr);
 	}
     }

gcc/testsuite/ChangeLog

 2009-11-17  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/42061
+	* g++.dg/cpp0x/initlist27.C: New test.
+
 	PR c++/42059
 	* g++.dg/cpp0x/initlist26.C: New test.
 

gcc/testsuite/g++.dg/cpp0x/initlist27.C

+// PR c++/42061
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+int& i = { j };	// { dg-error "invalid initialization|was not declared" }