[all-commits] [llvm/llvm-project] ac3178: [Sema] Tweak diagnostic logic so suppress-in-heade...

Sam McCall via All-commits all-commits at lists.llvm.org
Fri Aug 19 06:19:53 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ac31781759889226711b801c3833fea280fdb7aa
  Author: Sam McCall <sam.mccall at gmail.com>
  Date:   2022-08-19 (Fri, 19 Aug 2022)

  Changed paths:
    M clang-tools-extra/clangd/unittests/DiagnosticsTests.cpp
    M clang/lib/Sema/SemaDecl.cpp

  Log Message:
  [Sema] Tweak diagnostic logic so suppress-in-header logic works in tools too.

Certain idioms are ignored by -Wunused in header files only.
The current "is a header" check assumes that if headers are the main file, we're
building a PCH or a module or something. However in tools we may be parsing the
header in its own right, but still want to treat it as a header.

Fixes https://github.com/clangd/vscode-clangd/issues/360

Differential Revision: https://reviews.llvm.org/D129642

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