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Fix OOM message in Native AOT #129256

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Merged
eduardo-vp merged 2 commits into from
Jun 17, 2026
Merged

Fix OOM message in Native AOT #129256

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9658358
Fix OOM message in Native AOT
Jun 10, 2026
84b21f7
Use an allocation free comparison
Jun 16, 2026
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5 changes: 3 additions & 2 deletions src/coreclr/nativeaot/System.Private.CoreLib/src/System/RuntimeExceptionHelpers.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -292,10 +292,11 @@ internal static unsafe void FailFast(string? message = null, Exception? exceptio
}
catch
{
// If ToString() fails (for example, due to OOM), fall back to printing just the type name.
// If ToString() fails (for example, due to OOM), fall back to a simpler message.
try
{
Internal.Console.Error.Write(exception.GetType().FullName);
// Use an allocation-free MethodTable comparison.
Internal.Console.Error.Write(exception.GetMethodTable() == Internal.Runtime.MethodTable.Of<OutOfMemoryException>() ? "Out of memory." : exception.GetType().FullName);
Internal.Console.Error.WriteLine();
}
catch { }
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