rjmccall added inline comments.

================
Comment at: clang/lib/Basic/LangOptions.cpp:214
+    OverrideMask |= NAME##Mask;
+#include "clang/Basic/FPOptions.def"
+  return FPOptionsOverride(*this, OverrideMask);
----------------
Hmm.  If we can assume that all of the options are single bits (which this is 
doing), then this algorithm is basically `FPOptions::storage_type OverrideMask 
= (Value ^ Base.Value);`, which makes this cheap enough to be defined inline in 
the header.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123952/new/

https://reviews.llvm.org/D123952

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