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Use __constinit keyword in libstdc++ sources 

* src/c++17/memory_resource.cc: Use __constinit keyword.

From-SVN: r275315
This commit is contained in:
Jonathan Wakely 2019-09-02 12:31:34 +01:00 committed by Jonathan Wakely
parent 30f43083ae
commit d2faf10f95
2 changed files with 7 additions and 3 deletions
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4
libstdc++-v3/ChangeLog
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@ -1,3 +1,7 @@
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/memory_resource.cc: Use __constinit keyword.
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Document 9.x library versions.

6
libstdc++-v3/src/c++17/memory_resource.cc
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@ -85,8 +85,8 @@ namespace pmr
~constant_init() { /* do nothing, union member is not destroyed */ }
};
constant_init<newdel_res_t> newdel_res{};
constant_init<null_res_t> null_res{};
__constinit constant_init<newdel_res_t> newdel_res{};
__constinit constant_init<null_res_t> null_res{};
#if ATOMIC_POINTER_LOCK_FREE == 2
using atomic_mem_res = atomic<memory_resource*>;
# define _GLIBCXX_ATOMIC_MEM_RES_CAN_BE_CONSTANT_INITIALIZED
@ -139,7 +139,7 @@ namespace pmr
#endif // ATOMIC_POINTER_LOCK_FREE == 2
#ifdef _GLIBCXX_ATOMIC_MEM_RES_CAN_BE_CONSTANT_INITIALIZED
constant_init<atomic_mem_res> default_res{&newdel_res.obj};
__constinit constant_init<atomic_mem_res> default_res{&newdel_res.obj};
#else
# include "default_resource.h"
#endif