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Define CONSTEXPR macro and use it in vec.h.

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2017-05-18  Martin Liska  <mliska@suse.cz>

	* ansidecl.h: Define CONSTEXPR macro.
2017-05-18  Martin Liska  <mliska@suse.cz>

	* vec.h (struct vnull): Use it.

From-SVN: r248205
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Martin Liska 2017-05-18 16:22:01 +02:00 • committed by Martin Liska
parent dbcb3c7446
commit 671d5bcb26
4 changed files with 15 additions and 4 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2017-05-18 Martin Liska <mliska@suse.cz>
* vec.h (struct vnull): Use it.
2017-05-18 Jan Hubicka <hubicka@ucw.cz>
* ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h

5
gcc/vec.h
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@ -416,10 +416,7 @@ struct GTY((user)) vec
struct vnull
{
template <typename T, typename A, typename L>
#if __cpp_constexpr >= 200704
constexpr
#endif
operator vec<T, A, L> () { return vec<T, A, L>(); }
CONSTEXPR operator vec<T, A, L> () { return vec<T, A, L>(); }
};
extern vnull vNULL;

4
include/ChangeLog
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@ -1,3 +1,7 @@
2017-05-18 Martin Liska <mliska@suse.cz>
* ansidecl.h: Define CONSTEXPR macro.
2017-04-04 Jonathan Wakely <jwakely@redhat.com>
* ansidecl.h (ATTRIBUTE_PACKED): Fix typo in comment.

6
include/ansidecl.h
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@ -313,6 +313,12 @@ So instead we use the macro below and test it against specific values. */
#define ENUM_BITFIELD(TYPE) unsigned int
#endif
#if __cpp_constexpr >= 200704
#define CONSTEXPR constexpr
#else
#define CONSTEXPR
#endif
/* C++11 adds the ability to add "override" after an implementation of a
virtual function in a subclass, to:
(A) document that this is an override of a virtual function