[all-commits] [llvm/llvm-project] 0e3852: [clang][sema] Fix crash on decomposition decl miss...

[Patryk Stefanski via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0e3852f73ab75639b76bad2c8a735d46241768f3
      https://github.com/llvm/llvm-project/commit/0e3852f73ab75639b76bad2c8a735d46241768f3
  Author: Patryk Stefanski <patryk.stefanski at protonmail.com>
  Date:   2026-07-17 (Fri, 17 Jul 2026)

  Changed paths:
    M clang/lib/Sema/SemaDecl.cpp
    M clang/test/Parser/cxx1z-decomposition.cpp

  Log Message:
  -----------
  [clang][sema] Fix crash on decomposition decl missing initializer (#210151)

ActOnUninitializedDecl dereferenced the std::optional<Token> from
Lexer::findNextToken() unconditionally when diagnosing a structured
binding with no initializer. Guard the optional and fall back to the
declaration's location.



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