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| author | Mark Mitchell <mark@codesourcery.com> | 2005-06-05 16:33:43 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2005-06-05 16:33:43 +0000 |
| commit | 88a7beb769bd14c1affeb7c801842058e3071ab6 (patch) | |
| tree | 09ed262a183deef78ec843c1e53a4e09cbc6dda4 /gcc/cp/cp-tree.h | |
| parent | 1d508aa99c31e13d6712873d5be5ef04a902807d (diff) | |
| download | gcc-88a7beb769bd14c1affeb7c801842058e3071ab6.zip gcc-88a7beb769bd14c1affeb7c801842058e3071ab6.tar.gz gcc-88a7beb769bd14c1affeb7c801842058e3071ab6.tar.bz2 | |
re PR c++/21619 (__builtin_constant_p(&"Hello"[0])?1:-1 not compile-time constant)
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.
PR c++/21619
* g++.dg/ext/builtin9.C: New test.
From-SVN: r100626
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 0f3dfa5..bcc6b3f 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -1787,6 +1787,12 @@ struct lang_decl GTY(()) #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \ (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p) +/* Nonzero if DECL is a declaration of __builtin_constant_p. */ +#define DECL_IS_BUILTIN_CONSTANT_P(NODE) \ + (TREE_CODE (NODE) == FUNCTION_DECL \ + && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \ + && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P) + /* Nonzero for _DECL means that this decl appears in (or will appear in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for detecting circularity in case members are multiply defined. In the |