akyrtzi added inline comments.
================
Comment at: clang/lib/Lex/PPDirectives.cpp:514
+ BeginPtr = PP.CurLexer->getBufferLocation();
+ SkipRangePtr = &PP.RecordedSkippedRanges[BeginPtr];
+ if (*SkipRangePtr) {
----------------
benlangmuir wrote:
> Storing this pointer is only safe as long as `SkipExcludedConditionalBlock`
> can never be called recursively, since any modification to the `DenseMap` can
> invalidate this pointer. Is there some cheap way to assert that? If not,
> maybe we should do the lookup again in `endLexPass`, which would always be
> correct.
Good point! I can add a `bool` to assert that `SkipExcludedConditionalBlock` is
not recursively called.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D127379/new/
https://reviews.llvm.org/D127379
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