[wasm] Fix bounds check for zero initial memory.

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index a925032e2d72bb86995ea1d798f687c403f50019..c824bd5534fbb7861e3e5680d70ca81d5a528786 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -392,7 +392,10 @@ class RelocInfo {
     // To relocate pointers into the wasm memory embedded in wasm code
     WASM_MEMORY_REFERENCE,
     WASM_GLOBAL_REFERENCE,
-    WASM_MEMORY_SIZE_REFERENCE,
+    WASM_MEMORY_BYTE_SIZE_REFERENCE,
+    WASM_MEMORY_WORD_SIZE_REFERENCE,
+    WASM_MEMORY_DWORD_SIZE_REFERENCE,
+    WASM_MEMORY_QWORD_SIZE_REFERENCE,
     CELL,
 
     // Everything after runtime_entry (inclusive) is not GC'ed.
@@ -437,7 +440,7 @@ class RelocInfo {
     FIRST_REAL_RELOC_MODE = CODE_TARGET,
     LAST_REAL_RELOC_MODE = VENEER_POOL,
     LAST_CODE_ENUM = DEBUGGER_STATEMENT,
-    LAST_GCED_ENUM = WASM_MEMORY_SIZE_REFERENCE,
+    LAST_GCED_ENUM = WASM_MEMORY_QWORD_SIZE_REFERENCE,
     FIRST_SHAREABLE_RELOC_MODE = CELL,
   };
 
@@ -528,7 +531,10 @@ class RelocInfo {
     return mode == WASM_MEMORY_REFERENCE;
   }
   static inline bool IsWasmMemorySizeReference(Mode mode) {
-    return mode == WASM_MEMORY_SIZE_REFERENCE;
+    return mode == WASM_MEMORY_BYTE_SIZE_REFERENCE ||
+           mode == WASM_MEMORY_WORD_SIZE_REFERENCE ||
+           mode == WASM_MEMORY_DWORD_SIZE_REFERENCE ||
+           mode == WASM_MEMORY_QWORD_SIZE_REFERENCE;
   }
   static inline bool IsWasmGlobalReference(Mode mode) {
     return mode == WASM_GLOBAL_REFERENCE;