[all-commits] [llvm/llvm-project] e7e204: Fix crash with invalid VLA in a type trait (#138543)

[Aaron Ballman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7e204234362cf9df412f91d0b401fabfbde3706
      https://github.com/llvm/llvm-project/commit/e7e204234362cf9df412f91d0b401fabfbde3706
  Author: Aaron Ballman <aaron at aaronballman.com>
  Date:   2025-05-05 (Mon, 05 May 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Sema/SemaExpr.cpp
    M clang/test/SemaCXX/vla.cpp

  Log Message:
  -----------
  Fix crash with invalid VLA in a type trait (#138543)

Transforming an expression to a potentially evaluated expression can
fail. If it does so, no longer attempt to make the type trait
expression, instead return an error expression. This ensures we don't
try to compute the dependence for an invalid type.

Fixes #138444



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