================
@@ -1505,29 +1505,39 @@ llvm::Error Thread::LoadScriptedFrameProvider(
const ScriptedFrameProviderDescriptor &descriptor) {
std::lock_guard<std::recursive_mutex> guard(m_frame_mutex);
- // Note: We don't create input_frames here - it will be created lazily
- // by SyntheticStackFrameList when frames are first fetched.
- // Creating them too early can cause crashes during thread initialization.
-
- // Create a temporary StackFrameList just to get the thread reference for the
- // provider. The provider won't actually use this - it will get real input
- // frames from SyntheticStackFrameList later.
- StackFrameListSP temp_frames =
- std::make_shared<StackFrameList>(*this, m_prev_frames_sp, true);
+ // Create input frames for this provider:
+ // - If no providers exist yet, use real unwinder frames
+ // - If providers exist, wrap the previous provider in a
+ // SyntheticStackFrameList
+ // This creates the chain: each provider's OUTPUT becomes the next
+ // provider's INPUT
+ StackFrameListSP input_frames;
+ if (m_frame_providers.empty()) {
+ // First provider gets real unwinder frames
----------------
JDevlieghere wrote:
Period
https://github.com/llvm/llvm-project/pull/172849
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