[Mlir-commits] [clang] [clang-tools-extra] [lld] [lldb] [llvm] [mlir] [ADT] Prepare to deprecate variadic `StringSwitch::Cases`. NFC. (PR #166020)

Sat Nov 1 18:00:51 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `bolt,clang-tools-extra,clang,lld,lldb,llvm,mlir` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/18372

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
...
[303/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/InitListExprPreOrderNoQueue.cpp.o
[304/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/IntegerLiteral.cpp.o
[305/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RangeSelectorTest.cpp.o
[306/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/LambdaDefaultCapture.cpp.o
[307/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/Attr.cpp.o
[308/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/LambdaTemplateParams.cpp.o
[309/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/LambdaExpr.cpp.o
[310/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersNodeTest.cpp.o
[311/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RewriterTest.cpp.o
[312/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o
FAILED: tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o 
/usr/bin/c++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/unittests -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/unittests -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/unittests/Tooling -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/third-party/unittest/googletest/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3 -DNDEBUG -std=c++17  -Wno-variadic-macros -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ASTImporterTest.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/unittests/AST/ASTImporterTest.cpp
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[313/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/ReplacementsYamlTest.cpp.o
[314/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/TreeTestBase.cpp.o
[315/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/MemberPointerTypeLoc.cpp.o
[316/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/NestedNameSpecifiers.cpp.o
[317/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/TemplateArgumentLocTraverser.cpp.o
[318/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTestDeclVisitor.cpp.o
[319/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTestTypeLocVisitor.cpp.o
[320/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/SynthesisTest.cpp.o
[321/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/TraversalScope.cpp.o
[322/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/InitListExprPostOrderNoQueue.cpp.o
[323/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/InitListExprPostOrder.cpp.o
[324/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/MutationsTest.cpp.o
[325/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/TreeTest.cpp.o
[326/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/ParenExpr.cpp.o
[327/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RefactoringActionRulesTest.cpp.o
[328/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Frontend/ASTUnitTest.cpp.o
[329/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RefactoringTest.cpp.o
[330/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/ToolingTest.cpp.o
[331/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RefactoringCallbacksTest.cpp.o
[332/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksCallExpr.cpp.o
[333/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o
[334/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksBinaryOperator.cpp.o
[335/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksUnaryOperator.cpp.o
[336/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksCompoundAssignOperator.cpp.o
[337/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/TokensTest.cpp.o
[338/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/Syntax/BuildTreeTest.cpp.o
[339/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/SourceCodeBuildersTest.cpp.o
[340/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/SourceCodeTest.cpp.o
[341/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersNarrowingTest.cpp.o
[342/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTestPostOrderVisitor.cpp.o
[343/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/StencilTest.cpp.o
[344/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/TransformerTest.cpp.o
[345/890] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/ASTMatchers/ASTMatchersTraversalTest.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/166020