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C11 conformance: Add _Noreturn, stdnoreturn.h, and partial _Alignas support

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_Noreturn, just like __attribute__((noreturn)), is ignored.
I also added stdnoreturn.h, in all its glorious uselessness.

_Alignas only works for integer expressions right now. In order
to comply, we need:
 - _Alignas(type) -> _Alignas(_Alignof(type)).
 - stdalign.h as soon as it is done.

Note: DR 444 is supported; it works on struct members.

Signed-off-by: Devin Hussey <husseydevin@gmail.com>
This commit is contained in:
Devin Hussey
2019-03-20 15:03:27 -04:00
parent 1fd3709379
commit 9382a3ad58
3 changed files with 46 additions and 1 deletions
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7
include/stdnoreturn.h Normal file
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#ifndef _STDNORETURN_H
#define _STDNORETURN_H
/* ISOC11 noreturn */
#define noreturn _Noreturn
#endif /* _STDNORETURN_H */