[Bug c++/104699] New: zero-length-array is not considered as an array
nickhuang99 at hotmail dot com
gcc-bugzilla@gcc.gnu.org
Sat Feb 26 13:58:15 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104699
Bug ID: 104699
Summary: zero-length-array is not considered as an array
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: nickhuang99 at hotmail dot com
Target Milestone: ---
GCC clearly states that "declaring zero-length arrays is allowed in GNU C as an
extension". https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
However, parser rejects to recognize int[0] as an array. i.e.
static_assert(! std::is_array<int[0]>::value);
This is not an issue of library function "is_array". Instead it is the
specialization of "is_array<int[0]>" which is not considered valid.
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