[llvm-branch-commits] [llvm] [MC] Preserve target MCSubtargetInfo subclass in MCContext::getSubtargetCopy (PR #227562)

[Matt Arsenault via llvm-branch-commits]

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@@ -949,7 +949,7 @@ MCSectionDXContainer *MCContext::getDXContainerSection(StringRef Section,
 }
 
 MCSubtargetInfo &MCContext::getSubtargetCopy(const MCSubtargetInfo &STI) {
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arsenm wrote:

Seems like getSubtargetCopy shouldn't exist? Where is this used? If we're going to have this hack, can it be isolated to either the MCContext or MCSubtargetInfo instead of the shim here?

https://github.com/llvm/llvm-project/pull/227562