Currently the emscripten frontend driver injects this when building with thread support. Moving this into the clang driver itself makes the emscripten python driver less magical. Differential Revision: https://reviews.llvm.org/D96171
Currently the emscripten frontend driver injects this when building with thread support. Moving this into the clang driver itself makes the emscripten python driver less magical. Differential Revision: https://reviews.llvm.org/D96171