re PR c++/51412 ([c++0x] Broken diagnostic with invalid lambda expressions)

/cp
2013-03-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51412
	* cxx-pretty-print.c (pp_cxx_expression): Handle LAMBDA_EXPR.
	* error.c (dump_expr): Likewise.

/testsuite
2013-03-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51412
	* g++.dg/cpp0x/lambda/lambda-err3.C: New.

From-SVN: r196563

gcc/cp/ChangeLog

+2013-03-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51412
+	* cxx-pretty-print.c (pp_cxx_expression): Handle LAMBDA_EXPR.
+	* error.c (dump_expr): Likewise.
+
 2013-03-08  Jason Merrill  <jason@redhat.com>
 
 	PR c++/51884

gcc/cp/cxx-pretty-print.c

@@ -1162,6 +1162,10 @@ pp_cxx_expression (cxx_pretty_printer *pp, tree t)
 	  }
       }
       break;
+      
+    case LAMBDA_EXPR:
+      pp_cxx_ws_string (pp, "<lambda>");
+      break;
 
     default:
       pp_c_expression (pp_c_base (pp), t);

gcc/cp/error.c

@@ -2494,6 +2494,10 @@ dump_expr (tree t, int flags)
       dump_expr (resolve_virtual_fun_from_obj_type_ref (t), flags);
       break;
 
+    case LAMBDA_EXPR:
+      pp_string (cxx_pp, M_("<lambda>"));
+      break;
+
       /*  This list is incomplete, but should suffice for now.
 	  It is very important that `sorry' does not call
 	  `report_error_function'.  That could cause an infinite loop.  */

gcc/testsuite/ChangeLog

+2013-03-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51412
+	* g++.dg/cpp0x/lambda/lambda-err3.C: New.
+
 2013-03-08  Marek Polacek  <polacek@redhat.com>
 
 	PR tree-optimization/56478

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-err3.C

+// PR c++/51412
+// { dg-do compile { target c++11 } }
+
+void foo(int);
+
+template<int> void bar()
+{
+  foo([]{}...);      // { dg-error "<lambda>" }
+  foo([]{}=0 ...);   // { dg-error "<lambda>" }
+}