[llvm] [MC][debug_frame] Fix a bug in MCDwarfFrameEmitter::emit() so that per-function CIE can be generated when CIEs are different (PR #192727)

[via llvm-commits]

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@@ -1979,7 +1979,8 @@ void MCDwarfFrameEmitter::emit(MCObjectStreamer &Streamer, bool IsEH) {
       continue;
 
     CIEKey Key(Frame);
-    if (!LastCIEStart || (IsEH && Key != LastKey)) {
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jaewookshin701 wrote:

> I have an idea to try. 
I didn't try this, but instead chose to go for fixing the bug. 

https://github.com/llvm/llvm-project/pull/192727