[llvm] [MC] Add .loc_label instruction (PR #99710)

[Fangrui Song via llvm-commits]

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@@ -1767,6 +1770,12 @@ void MCAsmStreamer::emitDwarfLocDirective(unsigned FileNo, unsigned Line,
                                           Discriminator, FileName);
 }
 
+void MCAsmStreamer::emitDwarfLocLabelDirective(SMLoc Loc, StringRef Name) {
+  MCStreamer::emitDwarfLocLabelDirective(Loc, Name);
+  OS << "\t.loc_label " << Name;
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MaskRay wrote:

".loc_label\t"

https://github.com/llvm/llvm-project/pull/99710