re PR c++/43886 ([C++0x] name lookup failure on un-used local variable in lambda compound-statement)

PR c++/43886
	* parser.c (cp_parser_lambda_body): Clear local_variables_forbidden_p.

From-SVN: r177216
This commit is contained in:
Jason Merrill 2011-08-02 17:09:26 -04:00 committed by Jason Merrill
parent 54e7d7f5e9
commit a9a740baf7
4 changed files with 17 additions and 0 deletions

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@ -1,5 +1,8 @@
2011-08-02 Jason Merrill <jason@redhat.com>
PR c++/43886
* parser.c (cp_parser_lambda_body): Clear local_variables_forbidden_p.
PR c++/49577
* typeck2.c (check_narrowing): Check unsigned mismatch.
* semantics.c (finish_compound_literal): check_narrowing.

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@ -7801,12 +7801,15 @@ static void
cp_parser_lambda_body (cp_parser* parser, tree lambda_expr)
{
bool nested = (current_function_decl != NULL_TREE);
bool local_variables_forbidden_p = parser->local_variables_forbidden_p;
if (nested)
push_function_context ();
else
/* Still increment function_depth so that we don't GC in the
middle of an expression. */
++function_depth;
/* Clear this in case we're in the middle of a default argument. */
parser->local_variables_forbidden_p = false;
/* Finish the function call operator
- class_specifier
@ -7904,6 +7907,7 @@ cp_parser_lambda_body (cp_parser* parser, tree lambda_expr)
expand_or_defer_fn (finish_function (/*inline*/2));
}
parser->local_variables_forbidden_p = local_variables_forbidden_p;
if (nested)
pop_function_context();
else

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@ -1,5 +1,8 @@
2011-08-02 Jason Merrill <jason@redhat.com>
PR c++/43886
* g++.dg/cpp0x/lambda/lambda-defarg2.C: New.
PR c++/49577
* g++.dg/cpp0x/initlist5.C: Add additional cases.

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@ -0,0 +1,7 @@
// PR c++/43886
// { dg-options -std=c++0x }
void f2() {
int i = 1;
void g5(int = ([]{ return sizeof i; })());
}