[all-commits] [llvm/llvm-project] 78606a: [-Wunsafe-buffer-usage] Fix bug in unsafe casts to...

[Ziqing Luo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 78606af606deca9dd4de2ac1aec17a966c114bc2
      https://github.com/llvm/llvm-project/commit/78606af606deca9dd4de2ac1aec17a966c114bc2
  Author: Ziqing Luo <ziqing at udel.edu>
  Date:   2024-11-18 (Mon, 18 Nov 2024)

  Changed paths:
    M clang/lib/Sema/AnalysisBasedWarnings.cpp
    M clang/test/SemaCXX/warn-unsafe-buffer-usage-warning-data-invocation.cpp

  Log Message:
  -----------
  [-Wunsafe-buffer-usage] Fix bug in unsafe casts to incomplete types (#116433)

Fixed the crash coming from attempting to get size of incomplete types.
Casting `span.data()` to a pointer-to-incomplete-type should be
immediately considered unsafe.

Solving issue #116286.

Co-authored-by: Ziqing Luo <ziqing_luo at apple.com>



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