[Lldb-commits] [lldb] [llvm] [lldb][windows] recommend building with Python 3.11 (PR #191159)

Sun Apr 19 18:01:45 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-sparc64-linux` running on `debian-stadler-sparc64` while building `lldb,llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/114/builds/445

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
...
[508/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/MachineInstrBundleIteratorTest.cpp.o
[509/1100] Building CXX object unittests/ADT/CMakeFiles/ADTTests.dir/SmallVectorTest.cpp.o
[510/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/LowLevelTypeTest.cpp.o
[511/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/DIEHashTest.cpp.o
[512/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/DroppedVariableStatsMIRTest.cpp.o
[513/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/RegAllocBasicTest.cpp.o
[514/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/GCMetadata.cpp.o
[515/1100] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/ScalableVectorMVTsTest.cpp.o
[516/1100] Building CXX object tools/clang/unittests/Format/CMakeFiles/FormatTests.dir/ConfigParseTest.cpp.o
[517/1100] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o
FAILED: [code=1] unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o 
/usr/bin/c++ -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/stage1/unittests/CodeGen/GlobalISel -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/CodeGen/GlobalISel -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/stage1/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/third-party/unittest/googletest/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/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-maybe-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-dangling-pointer -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -UNDEBUG -Wno-dangling-else -Wno-variadic-macros -fno-exceptions -funwind-tables -fno-rtti -Wno-suggest-override -MD -MT unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o -MF unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o.d -o unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o -c /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/CodeGen/GlobalISel/ConstantFoldingTest.cpp
In file included from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/DenseMap.h:22,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/CodeGen/MachineFunction.h:21,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/CodeGen/GlobalISel/GISelChangeObserver.h:18,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/CodeGen/GlobalISel/GISelMITest.h:11,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/CodeGen/GlobalISel/ConstantFoldingTest.cpp:9:
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/Support/AlignOf.h:18:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   18 | namespace llvm {
      | ^~~~~~~~~
In file included from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/DenseMap.h:25:
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/Support/MemAlloc.h:23:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   23 | namespace llvm {
      | ^~~~~~~~~
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/DenseMap.h:38:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   38 | namespace llvm {
      | ^~~~~~~~~
In file included from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/CodeGen/MachineFunction.h:22:
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/GraphTraits.h:25:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   25 | namespace llvm {
      | ^~~~~~~~~
In file included from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist_node_base.h:12,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist_base.h:12,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/simple_ilist.h:12,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist.h:27,
                 from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/CodeGen/MachineFunction.h:24:
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/PointerIntPair.h:25:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   25 | namespace llvm {
      | ^~~~~~~~~
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/PointerIntPair.h:278:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
  278 | namespace std {
      | ^~~~~~~~~
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist_node_base.h:14:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   14 | namespace llvm {
      | ^~~~~~~~~
/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist_base.h:15:1: error: expected unqualified-id before ‘namespace’ [-Wtemplate-body]
   15 | namespace llvm {
      | ^~~~~~~~~
In file included from /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include/llvm/ADT/ilist_node.h:19,

```

</details>

https://github.com/llvm/llvm-project/pull/191159