sammccall added a comment.

Added a bit of analysis on https://github.com/clangd/clangd/issues/888.

The short version is we built a PCH. When consuming it, the parser decides to 
re-lex and this means sources must be loaded from disk.
These sources are inconsistent with the PCH, so the precondition that the input 
range describes a reasonable literal doesn't hold.

This patch fixes it by removing the precondition and defending against it 
instead.
This seems like an OK fallback unless there's hundreds of other places where we 
might re-lex and make similar assumptions.
I'm going to dig and try to find out but if anyone knows about this it'd be 
nice to chime in :-)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D114003/new/

https://reviews.llvm.org/D114003

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