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rebase of these patches
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@ -10,16 +10,16 @@ To set instruction support one can check __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 defi
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Bug: https://llvm.org/bugs/show_bug.cgi?id=19355
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Index: llvm-toolchain-snapshot_17~++20230517015648+0b6264738f3d/libcxx/test/std/atomics/atomics.lockfree/isalwayslockfree.pass.cpp
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Index: llvm-toolchain-snapshot_20~++20240727010229+4f5ad22b95ba/libcxx/test/std/atomics/atomics.lockfree/is_always_lock_free.cpp
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===================================================================
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--- llvm-toolchain-snapshot_17~++20230517015648+0b6264738f3d.orig/libcxx/test/std/atomics/atomics.lockfree/isalwayslockfree.pass.cpp
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+++ llvm-toolchain-snapshot_17~++20230517015648+0b6264738f3d/libcxx/test/std/atomics/atomics.lockfree/isalwayslockfree.pass.cpp
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@@ -18,6 +18,14 @@
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--- llvm-toolchain-snapshot_20~++20240727010229+4f5ad22b95ba.orig/libcxx/test/std/atomics/atomics.lockfree/is_always_lock_free.cpp
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+++ llvm-toolchain-snapshot_20~++20240727010229+4f5ad22b95ba/libcxx/test/std/atomics/atomics.lockfree/is_always_lock_free.cpp
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@@ -22,6 +22,14 @@
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#include "test_macros.h"
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#include "atomic_helpers.h"
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+#if defined(__i386__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)
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+/* Fix for clang setting __GCC_ATOMIC_LLONG_LOCK_FREE incorecctly for x86
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+/* Fix for clang setting __GCC_ATOMIC_LLONG_LOCK_FREE incorrectly for x86
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+ * https://llvm.org/bugs/show_bug.cgi?id=19355
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+ */
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+#undef ATOMIC_LLONG_LOCK_FREE
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@ -27,5 +27,5 @@ Index: llvm-toolchain-snapshot_17~++20230517015648+0b6264738f3d/libcxx/test/std/
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+#endif
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+
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template <typename T>
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void checkAlwaysLockFree() {
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if (std::atomic<T>::is_always_lock_free) {
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void check_always_lock_free(std::atomic<T> const& a) {
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using InfoT = LockFreeStatusInfo<T>;
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