1 files changed, 8 insertions, 1 deletions
diff --git a/lld/wasm/InputFiles.h b/lld/wasm/InputFiles.h
index 7c8601e29f2..64ac208daa6 100644
--- a/lld/wasm/InputFiles.h
+++ b/lld/wasm/InputFiles.h
@@ -69,6 +69,13 @@ protected:
 
   // List of all symbols referenced or defined by this file.
   std::vector<Symbol *> Symbols;
+  // Bool for each symbol, true if called directly.  This allows us to implement
+  // a weaker form of signature checking where undefined functions that are not
+  // called directly (i.e. only address taken) don't have to match the defined
+  // function's signature.  We cannot do this for directly called functions
+  // because those signatures are checked at validation times.
+  // See https://bugs.llvm.org/show_bug.cgi?id=40412
+  std::vector<bool> SymbolIsCalledDirectly;
 
 private:
   const Kind FileKind;
@@ -138,7 +145,7 @@ public:
 
 private:
   Symbol *createDefined(const WasmSymbol &Sym);
-  Symbol *createUndefined(const WasmSymbol &Sym);
+  Symbol *createUndefined(const WasmSymbol &Sym, bool IsCalledDirectly);
 
   bool isExcludedByComdat(InputChunk *Chunk) const;