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--- v8/src/base/atomicops.h.orig 2022-06-17 14:20:10 UTC
+++ v8/src/base/atomicops.h
@@ -57,10 +57,10 @@ using Atomic64 = SbAtomic64;
using Atomic8 = char;
using Atomic16 = int16_t;
using Atomic32 = int32_t;
-#if defined(V8_HOST_ARCH_64_BIT)
+#if defined(V8_HOST_ARCH_64_BIT) || defined(V8_OS_OPENBSD)
// We need to be able to go between Atomic64 and AtomicWord implicitly. This
// means Atomic64 and AtomicWord should be the same type on 64-bit.
-#if defined(__ILP32__)
+#if defined(__ILP32__) && !defined(V8_OS_OPENBSD)
using Atomic64 = int64_t;
#else
using Atomic64 = intptr_t;
@@ -258,7 +258,7 @@ inline Atomic32 SeqCst_Load(volatile const Atomic32* p
std::memory_order_seq_cst);
}
-#if defined(V8_HOST_ARCH_64_BIT)
+#if defined(V8_HOST_ARCH_64_BIT) || defined(V8_OS_OPENBSD)
inline Atomic64 Relaxed_CompareAndSwap(volatile Atomic64* ptr,
Atomic64 old_value, Atomic64 new_value) {
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