[all-commits] [llvm/llvm-project] 246431: [clang] Fix suppressing diagnostics for uninitiali...

[Igor Kudrin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2464313eef01c5b1edf0eccf57a32cdee01472c7
      https://github.com/llvm/llvm-project/commit/2464313eef01c5b1edf0eccf57a32cdee01472c7
  Author: Igor Kudrin <ikudrin at accesssoftek.com>
  Date:   2025-07-14 (Mon, 14 Jul 2025)

  Changed paths:
    M clang/lib/Sema/AnalysisBasedWarnings.cpp
    A clang/test/SemaCXX/warn-no-sometimes-uninitialized.cpp

  Log Message:
  -----------
  [clang] Fix suppressing diagnostics for uninitialized variables (#148336)

When one kind of diagnostics is disabled, this should not preclude other
diagnostics from displaying, even if they have lower priority. For
example, this should print a warning about passing an uninitialized
variable as a const reference:
```
> cat test.cpp
void foo(const int &);
int f(bool a) {
  int v;
  if (a) {
    foo(v);
    v = 5;
  }
  return v;
}
> clang test.cpp -fsyntax-only -Wuninitialized -Wno-sometimes-uninitialized
```



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