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Fix instance size emission in ILCompiler to handle indeterminate sizes #115293

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Merged
MichalStrehovsky merged 2 commits into from
May 6, 2025
Merged

Fix instance size emission in ILCompiler to handle indeterminate sizes #115293

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a19c464
Fix instance size emission in ILCompiler to handle indeterminate sizes
May 5, 2025
ec8c1cc
Update src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/UserDefined…
MichalStrehovsky May 6, 2025
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6 changes: 3 additions & 3 deletions src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/UserDefinedTypeDescriptor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -732,11 +732,11 @@ private uint GetClassTypeIndex(TypeDesc type, bool needsCompleteType)
statics[i] = staticsDescs[i];
}

LayoutInt elementSize = defType.GetElementSize();
int elementSizeEmit = elementSize.IsIndeterminate ? 0xBAAD : elementSize.AsInt;
LayoutInt instanceSize = defType.IsValueType ? defType.InstanceFieldSize : defType.InstanceByteCount;
int instanceSizeEmit = instanceSize.IsIndeterminate ? 0xBAAD : instanceSize.AsInt;
ClassFieldsTypeDescriptor fieldsDescriptor = new ClassFieldsTypeDescriptor
{
Size = (ulong)elementSizeEmit,
Size = (ulong)instanceSizeEmit,
FieldsCount = fieldsDescs.Count,
};

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