[llvm] [lit] Export env vars in script to avoid pruning (PR #105759)

Sat Aug 24 10:46:46 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls-2stage` running on `linaro-g3-03` while building `llvm` at step 11 "build stage 2".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/4/builds/1573

Here is the relevant piece of the build log for the reference:
```
Step 11 (build stage 2) failure: 'ninja' (failure)
...
[7846/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Allocatable.cpp.o
[7847/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/HLFIRTools.cpp.o
[7848/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/MutableBox.cpp.o
[7849/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/DoLoopHelper.cpp.o
[7850/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/BoxValue.cpp.o
[7851/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/data-to-inits.cpp.o
[7852/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Character.cpp.o
[7853/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Exceptions.cpp.o
[7854/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Command.cpp.o
[7855/8656] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o 
/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage1.install/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/clang/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../clang/include -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower/OpenMP/OpenMP.cpp
Killed
[7856/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Assign.cpp.o
[7857/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/ArrayConstructor.cpp.o
[7858/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Derived.cpp.o
[7859/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/FIRBuilder.cpp.o
[7860/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Inquiry.cpp.o
[7861/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Character.cpp.o
[7862/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Execute.cpp.o
[7863/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/EnvironmentDefaults.cpp.o
[7864/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-names-utils.cpp.o
[7865/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/pointer-assignment.cpp.o
[7866/8656] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/CompilerInstance.cpp.o
[7867/8656] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o 
/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage1.install/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/clang/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../clang/include -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower/PFTBuilder.cpp
Killed
[7868/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-labels.cpp.o
[7869/8656] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o 
/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage1.install/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2/tools/clang/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/llvm/../clang/include -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/llvm/flang/lib/Lower/OpenMP/DataSharingProcessor.cpp
Killed
[7870/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Intrinsics.cpp.o
[7871/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/IntrinsicCall.cpp.o
[7872/8656] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/FrontendAction.cpp.o
[7873/8656] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/PPCIntrinsicCall.cpp.o
[7874/8656] Building CXX object tools/flang/lib/FrontendTool/CMakeFiles/flangFrontendTool.dir/ExecuteCompilerInvocation.cpp.o
[7875/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/runtime-type-info.cpp.o
[7876/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/type.cpp.o
[7877/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o
[7878/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/expression.cpp.o
[7879/8656] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExpr.cpp.o
[7880/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-directives.cpp.o
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[7885/8656] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/unparse-with-symbols.cpp.o

```

https://github.com/llvm/llvm-project/pull/105759