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

src/compiler/wasm-compiler.cc

Index: src/compiler/wasm-compiler.cc
diff --git a/src/compiler/wasm-compiler.cc b/src/compiler/wasm-compiler.cc
index 4b1c3aa0ff895e5dae70ffd42c87dd6752d25eaf..26395605865a69a615e45dc1481304453883567b 100644
--- a/src/compiler/wasm-compiler.cc
+++ b/src/compiler/wasm-compiler.cc
@@ -2038,13 +2038,15 @@ Node* WasmGraphBuilder::MemBuffer(uint32_t offset) {
   DCHECK(module_ && module_->instance);
   if (offset == 0) {
     if (!mem_buffer_) {
-      mem_buffer_ = jsgraph()->IntPtrConstant(
-          reinterpret_cast<uintptr_t>(module_->instance->mem_start));
+      mem_buffer_ = jsgraph()->RelocatableIntPtrConstant(
+          reinterpret_cast<uintptr_t>(module_->instance->mem_start),
+          RelocInfo::WASM_MEMORY_REFERENCE);
     }
     return mem_buffer_;
   } else {
-    return jsgraph()->IntPtrConstant(
-        reinterpret_cast<uintptr_t>(module_->instance->mem_start + offset));
+    return jsgraph()->RelocatableIntPtrConstant(
+        reinterpret_cast<uintptr_t>(module_->instance->mem_start + offset),
+        RelocInfo::WASM_MEMORY_REFERENCE);
   }
 }