[llvm] [AsmPrinter] Reduce AsmPrinterHandlers virt. fn calls (PR #96785)

[Fangrui Song via llvm-commits]

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@@ -116,18 +120,22 @@ class DebugHandlerBase : public AsmPrinterHandler {
 private:
   InstructionOrdering InstOrdering;
 
-  // AsmPrinterHandler overrides.
 public:
-  void beginModule(Module *M) override;
+  /// For symbols that have a size designated (e.g. common symbols),
+  /// this tracks that size. Only used by DWARF.
+  virtual void setSymbolSize(const MCSymbol *Sym, uint64_t Size) {};
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MaskRay wrote:

`{};` => `{}`

https://github.com/llvm/llvm-project/pull/96785