[clang] [Clang][Diagnostics] Mention 'import std' in typeid diagnostic (PR #173236)

Sun Jan 4 18:32:04 PST 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `clang` at step 4 "build stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/21003

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

```
Step 4 (build stage 1) failure: 'ninja' (failure)
...
[135/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaWasm.cpp.o
[136/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseCXXInlineMethods.cpp.o
[137/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
[138/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseAST.cpp.o
[139/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseInit.cpp.o
[140/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o
[141/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExprCXX.cpp.o
[142/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenMP.cpp.o
[143/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaStmt.cpp.o
[144/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o 
/usr/bin/c++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -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/lib/Sema -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema -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 -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 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaExpr.cpp
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[145/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o 
/usr/bin/c++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -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/lib/Sema -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema -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 -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 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaConcept.cpp
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[146/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOverload.cpp.o
[147/519] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/GeneratePCH.cpp.o
[148/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTentative.cpp.o
[149/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDeclCXX.cpp.o
[150/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseObjc.cpp.o
[151/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExpr.cpp.o
[152/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSL.cpp.o
[153/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTemplate.cpp.o
[154/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseStmt.cpp.o
[155/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[156/519] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTWriterDecl.cpp.o
[157/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/Parser.cpp.o
[158/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenACC.cpp.o
[159/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseStmtAsm.cpp.o
[160/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplateDeductionGuide.cpp.o
[161/519] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTReaderStmt.cpp.o
[162/519] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/ExprConstant.cpp.o
[163/519] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTWriterStmt.cpp.o
[164/519] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/ByteCode/Interp.cpp.o
[165/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaType.cpp.o
[166/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[167/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParsePragma.cpp.o
[168/519] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDecl.cpp.o
[169/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplateDeduction.cpp.o
[170/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaSYCL.cpp.o
[171/519] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTReaderDecl.cpp.o
[172/519] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplate.cpp.o
In file included from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/TreeTransform.h:48,
                 from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaTemplate.cpp:11:
In constructor ‘clang::LocalInstantiationScope::LocalInstantiationScope(clang::Sema&, bool, bool)’,

```

</details>

https://github.com/llvm/llvm-project/pull/173236