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Fix NativeAOT GC roots after universal transition #127640

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Merged
MichalStrehovsky merged 4 commits into from
May 2, 2026
+4 −0
Merged

Fix NativeAOT GC roots after universal transition #127640

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f796fd9
Fix NativeAOT GC roots after universal transition
MichalStrehovsky May 1, 2026
276efa5
Merge branch 'main' into fix-nativeaot-universal-transition-gc-root
MichalStrehovsky May 1, 2026
16d235d
Update Program.cs
MichalStrehovsky May 1, 2026
59ee045
Conditional addition of ManagedDataDescriptorProvider
MichalStrehovsky May 1, 2026
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4 changes: 4 additions & 0 deletions src/coreclr/nativeaot/Runtime/StackFrameIterator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2072,6 +2072,10 @@ void StackFrameIterator::UnwindNonEHThunkSequence()
// The iterator has reached the next managed frame. Publish the computed lower bound value.
ASSERT(m_pConservativeStackRangeLowerBound == NULL);
m_pConservativeStackRangeLowerBound = pLowestLowerBound;

// The active frame was the thunk we just unwound through, not the managed caller. Do not
// report scratch registers from the caller's post-call GC state until the thunk has completed.
m_dwFlags &= ~ActiveStackFrame;
}

// This function is called immediately before a given frame is yielded from the iterator
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