Christian Sigg 4984d5ce0b Fix clang build (#271) ...

Clang doesn't understand `optimize("O0")`. It has `noopt`, which GCC doesn't understand. Wrap the difference in a macro.

[ROCm/rccl commit: 8c564e9b57]

2019-12-06 09:14:55 -08:00

..

rccl

Fix clang build (#271)

2019-12-06 09:14:55 -08:00