[wasm] Fix bounds check for zero initial memory.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index b44bc06ba36aaff6cbd92c6a6f9a1f928e0f35a7..afbce8039fa673ad8bc199fb1f5566777cb45a4d 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -788,6 +788,8 @@ const char* RelocInfo::RelocModeName(RelocInfo::Mode rmode) {
       return "wasm memory reference";
     case WASM_MEMORY_SIZE_REFERENCE:
       return "wasm memory size reference";
+    case WASM_MEMTYPE_SIZE_REFERENCE:
+      return "wasm memtype size reference";
     case WASM_GLOBAL_REFERENCE:
       return "wasm global value reference";
     case NUMBER_OF_MODES:
@@ -886,6 +888,7 @@ void RelocInfo::Verify(Isolate* isolate) {
     case GENERATOR_CONTINUATION:
     case WASM_MEMORY_REFERENCE:
     case WASM_MEMORY_SIZE_REFERENCE:
+    case WASM_MEMTYPE_SIZE_REFERENCE:
     case WASM_GLOBAL_REFERENCE:
     case NONE32:
     case NONE64: