[llvm] [SystemZ] Handle indirect symbols (PR #180815)

[Ulrich Weigand via llvm-commits]

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@@ -47,12 +53,25 @@ class MCSymbolGOFF : public MCSymbol {
   bool isExternal() const { return IsExternal; }
   void setExternal(bool Value) const { IsExternal = Value; }
 
+  bool hasExternalName() const { return !ExternalName.empty(); }
+  void setExternalName(StringRef Name) { ExternalName = Name; }
+  StringRef getExternalName() const { return ExternalName; }
+
+  StringRef getNameInObjectFile() const {
+    return hasExternalName() ? getExternalName() : getName();
+  }
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uweigand wrote:

I don't think we need two separate accessor routines here.  Can't `getExternalName` itself have this fallback?

https://github.com/llvm/llvm-project/pull/180815