[PATCH] D114576: [PR52549][clang-cl] Predefine _MSVC_EXECUTION_CHARACTER_SET

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo added a comment.

Would it be possible to move setting of this flag to somewhere else (e.g. somewhere in Driver/ToolChains/MSVC.cpp), so that it would be picked up also when building with the gcc-style driver with `--target=*-windows-msvc`? Overall in earlier discussions, there's been mostly positive reception to making that mode more usable even if it isn't quite as supported as actually invoking `clang-cl`. (For some things, like the equivalent of the cl level `-MD`/`-MT` options, there's currently nothing available in the gcc style driver - but for a feature like this, I don't see any reason why it shouldn't be available everywhere.)


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https://reviews.llvm.org/D114576