[compiler] Add relocatable pointer constants for wasm memory references.

src/compiler/instruction-selector.h

Index: src/compiler/instruction-selector.h
diff --git a/src/compiler/instruction-selector.h b/src/compiler/instruction-selector.h
index 2027e907bb4af09353665b14c80258a76e3a3288..3ba041a9401a57354ab203812dd9bbdf8e9b95fc 100644
--- a/src/compiler/instruction-selector.h
+++ b/src/compiler/instruction-selector.h
@@ -253,6 +253,7 @@ class InstructionSelector final {
   void VisitPhi(Node* node);
   void VisitProjection(Node* node);
   void VisitConstant(Node* node);
+  void VisitRelocatableConstant(Node* node);
   void VisitCall(Node* call, BasicBlock* handler = nullptr);
   void VisitDeoptimizeIf(Node* node);
   void VisitDeoptimizeUnless(Node* node);