re PR c++/41185 (size of array ... has non-integral type ...)

PR c++/41185
	PR c++/41786
	* parser.c (cp_parser_direct_declarator): Don't allow VLAs in
	function parameter context.  Don't print an error if parsing
	tentatively.

From-SVN: r157838
This commit is contained in:
Jason Merrill 2010-03-30 17:19:23 -04:00 committed by Jason Merrill
parent 5847e8da2f
commit fb07795554
5 changed files with 25 additions and 5 deletions

View file

@ -1,5 +1,11 @@
2010-03-30 Jason Merrill <jason@redhat.com>
PR c++/41185
PR c++/41786
* parser.c (cp_parser_direct_declarator): Don't allow VLAs in
function parameter context. Don't print an error if parsing
tentatively.
PR c++/43559
* pt.c (more_specialized_fn): Don't control cv-qualifier check
with same_type_p.

View file

@ -14106,11 +14106,13 @@ cp_parser_direct_declarator (cp_parser* parser,
bounds = fold_non_dependent_expr (bounds);
/* Normally, the array bound must be an integral constant
expression. However, as an extension, we allow VLAs
in function scopes. */
else if (!parser->in_function_body)
in function scopes as long as they aren't part of a
parameter declaration. */
else if (!parser->in_function_body
|| current_binding_level->kind == sk_function_parms)
{
error_at (token->location,
"array bound is not an integer constant");
cp_parser_error (parser,
"array bound is not an integer constant");
bounds = error_mark_node;
}
else if (processing_template_decl && !error_operand_p (bounds))

View file

@ -1,3 +1,8 @@
2010-03-30 Jason Merrill <jason@redhat.com>
PR c++/41786
* g++.dg/parse/ambig5.C: New.
2010-03-30 Jakub Jelinek <jakub@redhat.com>
PR debug/43593

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@ -0,0 +1,7 @@
// PR c++/41786
struct A { A(int, char const*); };
int main() {
int i = 0, *b = &i;
A a(int(b[i]), "hello");
}

View file

@ -2,6 +2,6 @@ int main(int argc, char** argv) {
int nx = 2;
void theerror(double a[][nx+1]); // { dg-message "" }
double** a;
theerror(a); // { dg-error "" }
theerror(a);
return 0;
}