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re PR c++/9112 (new C++ parser rejects code older parsers accepted)

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PR c++/9112
	* parser.c (cp_parser_direct_declarator): Handle erroneous
	parenthesized declarators correctly.

	PR c++/9112
	* g++.dg/parse/expr1.C: New test.

From-SVN: r60706
This commit is contained in:
Mark Mitchell 2002-12-31 18:48:19 +00:00 • committed by Mark Mitchell
parent 9e56a932f9
commit abda8efeda
4 changed files with 24 additions and 2 deletions
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6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2002-12-31 Mark Mitchell <mark@codesourcery.com>
PR c++/9112
* parser.c (cp_parser_direct_declarator): Handle erroneous
parenthesized declarators correctly.
2002-12-31 Gabriel Dos Reis <gdr@integrable-solutions.net>
* cp-tree.h (pending_lang_change): Declare.

7
gcc/cp/parser.c
View file

@ -10023,6 +10023,8 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
declarator. */
if (token->type == CPP_OPEN_PAREN)
{
bool error_p;
/* For an abstract declarator we do not know whether we are
looking at the beginning of a parameter-declaration-clause,
or at a parenthesized abstract declarator. For example, if
@ -10041,7 +10043,7 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
declarator
= cp_parser_declarator (parser, abstract_p, ctor_dtor_or_conv_p);
/* Expect a `)'. */
cp_parser_require (parser, CPP_CLOSE_PAREN, "`)'");
error_p = !cp_parser_require (parser, CPP_CLOSE_PAREN, "`)'");
/* If parsing a parenthesized abstract declarator didn't work,
try a parameter-declaration-clause. */
@ -10050,7 +10052,8 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
/* If we were not parsing an abstract declarator, but failed to
find a satisfactory nested declarator, then an error has
occurred. */
else if (!abstract_p && declarator == error_mark_node)
else if (!abstract_p
&& (declarator == error_mark_node || error_p))
return error_mark_node;
/* Default args cannot appear in an abstract decl. */
parser->default_arg_ok_p = false;

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2002-12-31 Mark Mitchell <mark@codesourcery.com>
PR c++/9112
* g++.dg/parse/expr1.C: New test.
2002-12-30 Daniel Jacobowitz <drow@mvista.com>
* gcc.c-torture/compile/20021230-1.c: New test.

8
gcc/testsuite/g++.dg/parse/expr1.C Normal file
View file

@ -0,0 +1,8 @@
struct A {
A (int, int);
void f ();
};
void f (int a) {
A (a, a).f ();
}