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Fix compilation error with -DLIBCXXABI_ENABLE_THREADS=OFF 

The error is:

libcxxabi/src/cxa_guard_impl.h: In instantiation of ‘__cxxabiv1::{anonymous}::LibcppMutex __cxxabiv1::{anonymous}::GlobalStatic<__cxxabiv1::{anonymous}::LibcppMutex>::instance’:
libcxxabi/src/cxa_guard_impl.h:529:62:   required from here
libcxxabi/src/cxa_guard_impl.h:510:23: error: ‘__cxxabiv1::{anonymous}::LibcppMutex __cxxabiv1::{anonymous}::GlobalStatic<__cxxabiv1::{anonymous}::LibcppMutex>::instance’ has incomplete type
 _LIBCPP_SAFE_STATIC T GlobalStatic<T>::instance = {};
                       ^

llvm-svn: 359175
This commit is contained in:
Michael Platings 2019-04-25 09:27:50 +00:00
parent 4ea70ecda8
commit d144572dac
1 changed files with 3 additions and 0 deletions
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3
libcxxabi/src/cxa_guard_impl.h
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@ -257,6 +257,9 @@ struct LibcppCondVar {
private:
std::__libcpp_condvar_t cond = _LIBCPP_CONDVAR_INITIALIZER;
};
#else
struct LibcppMutex {};
struct LibcppCondVar {};
#endif // !defined(_LIBCXXABI_HAS_NO_THREADS)