[wasm] Enable wasm loop analysis by default.

src/compiler/wasm-compiler.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/wasm/wasm-opcodes.h"
@@ skipping 214 matching lines @@
   Node* BuildI64SConvertF64(Node* input);
   Node* BuildI64UConvertF64(Node* input);
 
   Node* BuildI64DivS(Node* left, Node* right);
   Node* BuildI64RemS(Node* left, Node* right);
   Node* BuildI64DivU(Node* left, Node* right);
   Node* BuildI64RemU(Node* left, Node* right);
   Node* BuildDiv64Call(Node* left, Node* right, ExternalReference ref,
                        MachineType result_type, int trap_zero);
 
-  Node** Realloc(Node** buffer, size_t count) {
-    Node** buf = Buffer(count);
-    if (buf != buffer) memcpy(buf, buffer, count * sizeof(Node*));
+  Node** Realloc(Node** buffer, size_t old_count, size_t new_count) {
+    Node** buf = Buffer(new_count);
+    if (buf != buffer) memcpy(buf, buffer, old_count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_