mstorsjo created this revision. mstorsjo added reviewers: mclow.lists, EricWF, ldionne, compnerd, smeenai, rnk. Herald added a subscriber: libcxx-commits. mstorsjo edited the summary of this revision.
GCC and Clang in MinGW mode don't support `__declspec(thread)`, which after expanding macros ends up as `__attribute__((thread))`. Use the GCC specific attribute `__thread` instead (the next one in the chain of alternatives). Repository: rUNW libunwind https://reviews.llvm.org/D56905 Files: src/Unwind-sjlj.c Index: src/Unwind-sjlj.c =================================================================== --- src/Unwind-sjlj.c +++ src/Unwind-sjlj.c @@ -52,7 +52,7 @@ #else # if __STDC_VERSION__ >= 201112L # define _LIBUNWIND_THREAD_LOCAL _Thread_local -# elif defined(_WIN32) +# elif defined(_MSC_VER) # define _LIBUNWIND_THREAD_LOCAL __declspec(thread) # elif defined(__GNUC__) || defined(__clang__) # define _LIBUNWIND_THREAD_LOCAL __thread
Index: src/Unwind-sjlj.c =================================================================== --- src/Unwind-sjlj.c +++ src/Unwind-sjlj.c @@ -52,7 +52,7 @@ #else # if __STDC_VERSION__ >= 201112L # define _LIBUNWIND_THREAD_LOCAL _Thread_local -# elif defined(_WIN32) +# elif defined(_MSC_VER) # define _LIBUNWIND_THREAD_LOCAL __declspec(thread) # elif defined(__GNUC__) || defined(__clang__) # define _LIBUNWIND_THREAD_LOCAL __thread
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