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Author SHA1 Message Date
Eric Astor 0499a9d688 [ms] [llvm-ml] Accept /WX to signal that warnings should be fatal.
Define -fatal-warnings to make warnings fatal, and accept /WX as an ML.EXE compatible alias for it.

Also make sure that if Warning() returns true, we always treat it as an error.

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D92504
2021-04-02 15:13:20 -04:00