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

src/compiler/instruction-selector-impl.h

Index: src/compiler/instruction-selector-impl.h
diff --git a/src/compiler/instruction-selector-impl.h b/src/compiler/instruction-selector-impl.h
index e750aed19aab94441a32381f2f2111b974a585d8..301612c6f2d6cf86ff71919bdd03d7d3382a9322 100644
--- a/src/compiler/instruction-selector-impl.h
+++ b/src/compiler/instruction-selector-impl.h
@@ -211,6 +211,9 @@ class OperandGenerator {
         return Constant(OpParameter<int64_t>(node));
       case IrOpcode::kFloat32Constant:
         return Constant(OpParameter<float>(node));
+      case IrOpcode::kRelocatableInt32Constant:
+      case IrOpcode::kRelocatableInt64Constant:
+        return Constant(OpParameter<RelocatablePtrConstantInfo>(node));
       case IrOpcode::kFloat64Constant:
       case IrOpcode::kNumberConstant:
         return Constant(OpParameter<double>(node));