[clang] [Clang] fix range calculation for conditionals with throw expressions (PR #112081)

Tue Oct 29 04:43:35 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vla-2stage` running on `linaro-g3-04` while building `clang` at step 11 "build stage 2".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/41/builds/3058

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

```
Step 11 (build stage 2) failure: 'ninja' (failure)
...
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7913/8723] Creating library symlink lib/libclang.so.20.0git lib/libclang.so
[7914/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/BoxedProcedure.cpp.o
[7915/8723] Building CXX object tools/flang/lib/Optimizer/Analysis/CMakeFiles/FIRAnalysis.dir/AliasAnalysis.cpp.o
[7916/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Reduction.cpp.o
[7917/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Support.cpp.o
[7918/8723] Linking CXX executable bin/c-arcmt-test
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7919/8723] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o 
/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage1.install/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -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-vla-2stage/stage2/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/../mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/clang/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/../clang/include -mcpu=neoverse-512tvb -mllvm -scalable-vectorization=preferred -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/Bridge.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/lib/Lower/Bridge.cpp
Killed
[7920/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/CGOps.cpp.o
[7921/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/CodeGenOpenMP.cpp.o
[7922/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/TemporaryStorage.cpp.o
[7923/8723] Building CXX object tools/flang/lib/Optimizer/Dialect/CMakeFiles/FIRDialect.dir/FIRAttr.cpp.o
[7924/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/PreCGRewrite.cpp.o
[7925/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/TypeConverter.cpp.o
[7926/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/TargetRewrite.cpp.o
[7927/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Transformational.cpp.o
[7928/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/TBAABuilder.cpp.o
[7929/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/Target.cpp.o
[7930/8723] Building CXX object tools/flang/lib/Optimizer/Dialect/CMakeFiles/FIRDialect.dir/FIRDialect.cpp.o
[7931/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/PPCIntrinsicCall.cpp.o
[7932/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/FIROpPatterns.cpp.o
[7933/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/runtime-type-info.cpp.o
[7934/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/Runtime/Intrinsics.cpp.o
[7935/8723] Building CXX object tools/flang/lib/Optimizer/Dialect/CMakeFiles/FIRDialect.dir/FIRType.cpp.o
[7936/8723] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/CompilerInvocation.cpp.o
[7937/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-labels.cpp.o
[7938/8723] Building CXX object tools/flang/lib/Optimizer/Dialect/CMakeFiles/FIRDialect.dir/FIROps.cpp.o
[7939/8723] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/CodeGen.cpp.o
[7940/8723] Linking CXX executable bin/c-index-test
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7941/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/type.cpp.o
[7942/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/scope.cpp.o
[7943/8723] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Runtime.cpp.o
[7944/8723] Building CXX object tools/flang/lib/FrontendTool/CMakeFiles/flangFrontendTool.dir/ExecuteCompilerInvocation.cpp.o
[7945/8723] Building CXX object tools/flang/lib/Optimizer/Builder/CMakeFiles/FIRBuilder.dir/IntrinsicCall.cpp.o
[7946/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/rewrite-directives.cpp.o
[7947/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-names-utils.cpp.o
[7948/8723] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/FrontendAction.cpp.o
[7949/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/rewrite-parse-tree.cpp.o
[7950/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/unparse-with-symbols.cpp.o
[7951/8723] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/pointer-assignment.cpp.o
[7952/8723] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/CompilerInstance.cpp.o
[7953/8723] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/112081