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

[via llvm-commits]

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@@ -3733,6 +3737,19 @@ bool AsmParser::parseDirectiveLoc() {
   return false;
 }
 
+/// parseDirectiveLoc
+/// ::= .loc_label label
+bool AsmParser::parseDirectiveLocLabel(SMLoc DirectiveLoc) {
+  StringRef Name;
+  DirectiveLoc = Lexer.getLoc();
+  if (parseIdentifier(Name))
+    return TokError("expected identifier");
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alx32 wrote:

Added error test for syntax errors and duplicate label.

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