[PATCH] D45685: [Sema] Add -Wtest global flag that silences -Wself-assign for overloaded operators.

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: rjmccall, aaron.ballman, dblaikie, thakis, rsmith, chandlerc, brooksmoses.
Herald added a subscriber: klimek.

Credit for the idea goes to @rjmccall.
I'm not quite sure how to do it with `-wtest` (lowercase). so i just modelled it after `-Wsystem-headers`.

As tests show, only the overloaded non-field assign is silenced by it.

Testing: `$ ninja check-clang-sema check-clang-semacxx check-clang`


Repository:
  rC Clang

https://reviews.llvm.org/D45685

Files:
  docs/ReleaseNotes.rst
  docs/UsersManual.rst
  include/clang/AST/ASTDiagnostic.h
  include/clang/AST/CommentDiagnostic.h
  include/clang/Basic/Diagnostic.h
  include/clang/Basic/Diagnostic.td
  include/clang/Basic/DiagnosticIDs.h
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/CrossTU/CrossTUDiagnostic.h
  include/clang/Driver/DriverDiagnostic.h
  include/clang/Frontend/FrontendDiagnostic.h
  include/clang/Lex/LexDiagnostic.h
  include/clang/Parse/ParseDiagnostic.h
  include/clang/Sema/SemaDiagnostic.h
  include/clang/Serialization/SerializationDiagnostic.h
  include/clang/Tooling/Refactoring/RefactoringDiagnostic.h
  lib/Basic/DiagnosticIDs.cpp
  lib/Basic/Warnings.cpp
  lib/Sema/SemaExpr.cpp
  test/Sema/warn-self-assign-builtin-warn-tests.c
  test/SemaCXX/warn-self-assign-builtin-warn-tests.cpp
  test/SemaCXX/warn-self-assign-field-builtin-warn-tests.cpp
  test/SemaCXX/warn-self-assign-field-overloaded-warn-tests.cpp
  test/SemaCXX/warn-self-assign-overloaded-warn-tests.cpp
  tools/diagtool/DiagnosticNames.cpp
  utils/TableGen/ClangDiagnosticsEmitter.cpp

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