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[atomic] Disable compiler memory barrier on MSVC 

It keeps giving me internal compiler error.

https://github.com/harfbuzz/harfbuzz/issues/3728
This commit is contained in:
Behdad Esfahbod 2022-07-17 17:03:40 -06:00
parent f0707e2348
commit 9518d602f3
1 changed files with 8 additions and 2 deletions
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10
src/hb-atomic.hh
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@ -111,11 +111,17 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N)
#endif #endif
/* This we always use std::atomic for; and should never be disabled. */
#include <atomic>
#ifndef _hb_compiler_memory_r_barrier #ifndef _hb_compiler_memory_r_barrier
/* This we always use std::atomic for; and should never be disabled...
* except that MSVC gives me an internal compiler error on it. */
#if !defined(_MSC_VER)
#include <atomic>
#define _hb_compiler_memory_r_barrier() std::atomic_signal_fence (std::memory_order_acquire) #define _hb_compiler_memory_r_barrier() std::atomic_signal_fence (std::memory_order_acquire)
#else
#define _hb_compiler_memory_r_barrier() do {} while (0)
#endif #endif
#endif
#ifndef _hb_memory_r_barrier #ifndef _hb_memory_r_barrier