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[Bug c++/21619] [4.0/4.1 regression] __builtin_constant_p(&"Hello"[0])?1:-1 not compile-time constant
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Jun 2005 16:47:05 -0000
- Subject: [Bug c++/21619] [4.0/4.1 regression] __builtin_constant_p(&"Hello"[0])?1:-1 not compile-time constant
- References: <20050517114202.21619.rguenth@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-06-05 16:47 -------
Subject: Bug 21619
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-4_0-branch
Changes by: mmitchel@gcc.gnu.org 2005-06-05 16:46:54
Modified files:
gcc/cp : ChangeLog cp-tree.h parser.c tree.c
Log message:
PR c++/21619
* cp-tree.h (DECL_IS_BUILTIN_CONSTANT_P): New macro.
* parser.c (cp_parser_postfix_expression): Allow non-constant
expressions as arguments to __builtin_constant_p.
* tree.c (builtin_valid_in_constant_expr_p): Use
DECL_IS_BUILTIN_CONSTANT_P.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.4648.2.57&r2=1.4648.2.58
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.1106.2.7&r2=1.1106.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/parser.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.319.2.8&r2=1.319.2.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/tree.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.427.2.3&r2=1.427.2.4
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21619