[PATCH] D119543: [demangler][NFC] Tweak legacy uuidof handling

[Nathan Sidwell via Phabricator via llvm-commits]

urnathan created this revision.
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We have to special-case 'u 8__uuidof [tz]' demangling for legacy support.  That handling is a little duplicative.

- It seems better to just push the single expected node.

- We can also use 'consumeIf' rather than open-coding the peeking and increment.

- We don't need the numLeft < 2 check, as if there are few than that   other paths will end up with detecting the error.

FWIW This simplifies a future change adding operator precedence.


https://reviews.llvm.org/D119543

Files:
  libcxxabi/src/demangle/ItaniumDemangle.h
  llvm/include/llvm/Demangle/ItaniumDemangle.h

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