8000 gh-113650: Add workaround option for MSVC ARM64 bug affecting string … · python/cpython@ad849b4 · GitHub
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zoobazooba
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gh-113650: Add workaround option for MSVC ARM64 bug affecting string encoding (GH-113836)
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‎PCbuild/pyproject.props

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<!-- See https://developercommunity.visualstudio.com/t/Regression-in-MSVC-1433-1434-ARM64-co/10224361 -->
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<MSVCHasBrokenARM64Clamping Condition="$(_VCToolsVersion) == '14.34' or $(_VCToolsVersion) == '14.35'">true</MSVCHasBrokenARM64Clamping>
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<MSVCHasBrokenARM64SignExtension Condition="$(_VCToolsVersion) == '14.37'">true</MSVCHasBrokenARM64SignExtension>
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</PropertyGroup>
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<PropertyGroup>
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<AdditionalOptions Condition="$(PlatformToolset) == 'ClangCL'">-Wno-deprecated-non-prototype -Wno-unused-label -Wno-pointer-sign -Wno-incompatible-pointer-types-discards-qualifiers -Wno-unused-function %(AdditionalOptions)</AdditionalOptions>
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<AdditionalOptions Condition="$(Configuration) != 'Debug' and $(PlatformToolset) == 'ClangCL'">-flto %(AdditionalOptions)</AdditionalOptions>
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<AdditionalOptions Condition="$(MSVCHasBrokenARM64Clamping) == 'true' and $(Platform) == 'ARM64'">-d2pattern-opt-disable:-932189325 %(AdditionalOptions)</AdditionalOptions>
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<AdditionalOptions Condition="$(MSVCHasBrokenARM64SignExtension) == 'true' and $(Platform) == 'ARM64'">-d2ssa-patterns-all- %(AdditionalOptions)</AdditionalOptions>
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<AdditionalOptions Condition="$(GenerateSourceDependencies) == 'true'">/sourceDependencies "$(IntDir.Trim(`\`))" %(AdditionalOptions)</AdditionalOptions>
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</ClCompile>
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<ClCompile Condition="$(Configuration) == 'Debug'">

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