[PATCH] D95860: [clang][Frontend] Fix a crash in DiagnosticRenderer.

[Balázs Benics via Phabricator via cfe-commits]

steakhal added a comment.

Please, also add a regression test for Haoxin Tu's reproducer.

  // RUN: %clang %s
  
  // expected warning....
  volatile long a ( a .~b


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D95860/new/

https://reviews.llvm.org/D95860