[all-commits] [llvm/llvm-project] 0865ec: [clang] Extend diagnose_if to accept more detailed...

[Nikolas Klauser via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0865ecc5150b9a55ba1f9e30b6d463a66ac362a6
      https://github.com/llvm/llvm-project/commit/0865ecc5150b9a55ba1f9e30b6d463a66ac362a6
  Author: Nikolas Klauser <nikolasklauser at berlin.de>
  Date:   2025-01-28 (Tue, 28 Jan 2025)

  Changed paths:
    M clang-tools-extra/clangd/Diagnostics.cpp
    M clang-tools-extra/clangd/Diagnostics.h
    M clang-tools-extra/clangd/ParsedAST.cpp
    M clang-tools-extra/clangd/Preamble.cpp
    M clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp
    M clang/include/clang/Basic/Attr.td
    M clang/include/clang/Basic/Diagnostic.h
    M clang/include/clang/Basic/DiagnosticCategories.h
    M clang/include/clang/Basic/DiagnosticIDs.h
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Basic/Diagnostic.cpp
    M clang/lib/Basic/DiagnosticIDs.cpp
    M clang/lib/Frontend/LogDiagnosticPrinter.cpp
    M clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
    M clang/lib/Frontend/TextDiagnosticPrinter.cpp
    M clang/lib/Sema/Sema.cpp
    M clang/lib/Sema/SemaCUDA.cpp
    M clang/lib/Sema/SemaDeclAttr.cpp
    M clang/lib/Sema/SemaOverload.cpp
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/ASTWriter.cpp
    M clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp
    A clang/test/Frontend/custom-diag-werror-interaction.c
    M clang/test/Sema/diagnose_if.c
    A clang/test/SemaCXX/diagnose_if-warning-group.cpp
    M clang/tools/diagtool/ListWarnings.cpp
    M clang/tools/diagtool/ShowEnabledWarnings.cpp
    M clang/tools/libclang/CXStoredDiagnostic.cpp
    M flang/lib/Frontend/TextDiagnosticPrinter.cpp

  Log Message:
  -----------
  [clang] Extend diagnose_if to accept more detailed warning information, take 2 (#119712)

This is take two of #70976. This iteration of the patch makes sure that
custom
diagnostics without any warning group don't get promoted by `-Werror` or
`-Wfatal-errors`.

This implements parts of the extension proposed in
https://discourse.llvm.org/t/exposing-the-diagnostic-engine-to-c/73092/7.

Specifically, this makes it possible to specify a diagnostic group in an
optional third argument.



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