[llvm] [BOLT] Add support for Linux kernel static keys jump table (PR #86090)

[Maksim Panchenko via llvm-commits]

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@@ -1208,6 +1218,14 @@ class MCPlusBuilder {
     return nullptr;
   }
 
+  /// Return MCSymbol that represents a target of this instruction at a given
+  /// operand number \p OpNum. If there's no symbol associated with
+  /// the operand - return nullptr.
+  virtual MCSymbol *getTargetSymbol(MCInst &Inst, unsigned OpNum = 0) const {
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maksfb wrote:

Not needed anymore.

https://github.com/llvm/llvm-project/pull/86090