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Disable Server GC for 32-bit crossgen2/ilc hosts #129016

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Disable Server GC for 32-bit crossgen2/ilc hosts #129016

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12 changes: 11 additions & 1 deletion src/coreclr/tools/aot/AotCompilerCommon.props
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Original file line number Diff line number Diff line change
@@ -1,6 +1,16 @@
<Project>
<PropertyGroup>
<ServerGarbageCollection>true</ServerGarbageCollection>
<!-- crossgen2/ilc run as the build host architecture when cross-building (CrossHostArch),
otherwise as TargetArchitecture. This is the architecture of the compiler process itself. -->
<_AotCompilerHostArch Condition="'$(CrossHostArch)' != ''">$(CrossHostArch)</_AotCompilerHostArch>
<_AotCompilerHostArch Condition="'$(CrossHostArch)' == ''">$(TargetArchitecture)</_AotCompilerHostArch>

<!-- Server GC reserves per-heap address-space segments up front. On a 32-bit host the ~2 GB
user-mode address space is largely consumed by those reservations, so compiling a very
large method can fail to allocate the contiguous output image buffer and crash with
OutOfMemory. Use Workstation GC on 32-bit hosts. See https://github.com/dotnet/runtime/issues/128531. -->
<ServerGarbageCollection Condition="'$(ServerGarbageCollection)' == '' and '$(_AotCompilerHostArch)' != 'x86' and '$(_AotCompilerHostArch)' != 'arm' and '$(_AotCompilerHostArch)' != 'armel'">true</ServerGarbageCollection>
<ServerGarbageCollection Condition="'$(ServerGarbageCollection)' == ''">false</ServerGarbageCollection>
<TieredCompilation>false</TieredCompilation>
<EventSourceSupport>true</EventSourceSupport>
<OptimizationPreference>Speed</OptimizationPreference>
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