re PR c++/43641 ([C++0x] internal compiler error: tree check: expected…

re PR c++/43641 ([C++0x] internal compiler error: tree check: expected call_expr, have target_expr in maybe_add_lambda_conv_op)

	PR c++/43641
	* semantics.c (maybe_add_lambda_conv_op): Use build_call_a and tweak
	return value directly.

From-SVN: r158241

gcc/cp/ChangeLog

 2010-04-12  Jason Merrill  <jason@redhat.com>
 
+	PR c++/43641
+	* semantics.c (maybe_add_lambda_conv_op): Use build_call_a and tweak
+	return value directly.
+
 	* call.c (type_decays_to): Call cv_unqualified for non-class type.
 
 2010-04-12  Fabien Chene  <fabien.chene@gmail.com>

gcc/cp/semantics.c

@@ -5968,9 +5968,12 @@ maybe_add_lambda_conv_op (tree type)
   VEC_quick_push (tree, argvec, arg);
   for (arg = DECL_ARGUMENTS (statfn); arg; arg = TREE_CHAIN (arg))
     VEC_safe_push (tree, gc, argvec, arg);
-  call = build_cxx_call (callop, VEC_length (tree, argvec),
-			 VEC_address (tree, argvec));
+  call = build_call_a (callop, VEC_length (tree, argvec),
+		       VEC_address (tree, argvec));
   CALL_FROM_THUNK_P (call) = 1;
+  if (MAYBE_CLASS_TYPE_P (TREE_TYPE (call)))
+    call = build_cplus_new (TREE_TYPE (call), call);
+  call = convert_from_reference (call);
   finish_return_stmt (call);
 
   finish_compound_stmt (compound_stmt);

gcc/testsuite/ChangeLog

 2010-04-12  Jason Merrill  <jason@redhat.com>
 
+	PR c++/43641
+	* g++.dg/cpp0x/lambda/lambda-conv4.C: New.
+
 	* g++.dg/cpp0x/lambda/lambda-deduce2.C: New.
 
 2010-04-12  Fabien Chene  <fabien.chene@gmail.com>

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-conv4.C

+// PR c++/43641
+// { dg-options "-std=c++0x" }
+
+struct B
+{
+  int i;
+};
+
+void func()
+{
+  [](const B& b) -> const int& { return b.i; };
+  [](const B& b) { return b; };
+}