[all-commits] [llvm/llvm-project] 99ddde: [Clang][Sema] Process warnings conditionally (#120...

[Dmitry Chestnykh via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 99dddef340e566e9d303010f1219f7d7d6d37a11
      https://github.com/llvm/llvm-project/commit/99dddef340e566e9d303010f1219f7d7d6d37a11
  Author: Dmitry Chestnykh <dm.chestnykh at gmail.com>
  Date:   2024-12-23 (Mon, 23 Dec 2024)

  Changed paths:
    M clang/lib/Sema/SemaChecking.cpp

  Log Message:
  -----------
  [Clang][Sema] Process warnings conditionally (#120591)

There are a few functions that emit warnings related to positional
arguments in format strings. These functions use `getLocationOfByte()`
which has O(n) complexity and may lead to silent hang of compilation in
some cases. But such warnings is not widely used and actually don't emit
if user didn't pass the appropriate `-W...` flag, so if the flag is not
passed dont make the call to `EmitFormatDiagnostic` for such diags.

Fix #120462



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