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| author | Ken Matsui <kmatsui@gcc.gnu.org> | 2023-12-06 21:33:15 -0800 |
|---|---|---|
| committer | Jason Merrill <jason@redhat.com> | 2023-12-10 13:11:23 -0500 |
| commit | 692080219c2ecf2cde9360a3b179f491e867afb8 (patch) | |
| tree | cc051350432dff81064993c3307c08e5289672fb /gcc/cp/constraint.cc | |
| parent | ffc08431f5c89a20dab21f958bb408d6a604cf54 (diff) | |
| download | gcc-692080219c2ecf2cde9360a3b179f491e867afb8.zip gcc-692080219c2ecf2cde9360a3b179f491e867afb8.tar.gz gcc-692080219c2ecf2cde9360a3b179f491e867afb8.tar.bz2 | |
c++: Implement __is_object built-in trait
This patch implements built-in trait for std::is_object.
gcc/cp/ChangeLog:
* cp-trait.def: Define __is_object.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_OBJECT.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
gcc/testsuite/ChangeLog:
* g++.dg/ext/has-builtin-1.C: Test existence of __is_object.
* g++.dg/ext/is_object.C: New test.
Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
Diffstat (limited to 'gcc/cp/constraint.cc')
| -rw-r--r-- | gcc/cp/constraint.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index 4bea608..eeacead 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3782,6 +3782,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_NOTHROW_CONVERTIBLE: inform (loc, " %qT is not nothrow convertible from %qE", t2, t1); break; + case CPTK_IS_OBJECT: + inform (loc, " %qT is not an object type", t1); + break; case CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF: inform (loc, " %qT is not pointer-interconvertible base of %qT", t1, t2); |