[all-commits] [llvm/llvm-project] b185b8: [Clang] Improve Sema diagnostic performance for __...

[Bill Wendling via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b185b8512b2c7bf92ba87ea260a7b94d71dec4ee
      https://github.com/llvm/llvm-project/commit/b185b8512b2c7bf92ba87ea260a7b94d71dec4ee
  Author: Bill Wendling <morbo at google.com>
  Date:   2024-11-27 (Wed, 27 Nov 2024)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Sema/Sema.h
    M clang/lib/Sema/SemaChecking.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaExpr.cpp
    M clang/lib/Sema/SemaStmt.cpp
    M clang/test/Sema/builtin-counted-by-ref.c

  Log Message:
  -----------
  [Clang] Improve Sema diagnostic performance for __builtin_counted_by_ref (#116719)

Implement the sema checks with a placeholder. We then check for that
placeholder in all of the places we care to emit a diagnostic.

Fixes: #115520



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