tree ad0fcba1d70cf9b18cda3f8d41a5309023a96da6
parent 0b9cff1058f8fb2122ae55ea9253f074048a568a
author Louis Dionne <ldionne@apple.com> 1565268193 +0000
committer Copybara-Service <copybara-worker@google.com> 1598996658 -0700

[pstl] Error out when the backend is left unspecified

Instead of silently falling back to the serial backend, it's better if
we fail loudly when the parallel backend is left unspecified. Since we
have a __pstl_config_site header, a backend should always be specified.

llvm-svn: 368285
GitOrigin-RevId: a8a436ef95908a560ddca8c5f7c5349d2dc2f977