[compiler] Bytecode preparation fails for asm.js modules.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 447c1a3af5e9db22ca550cd72db54915dc866ccc..ed3a120ac7079564173bd8fcaad094ab577b8cdf 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1352,6 +1352,7 @@ bool Compiler::EnsureBytecode(CompilationInfo* info) {
   if (!info->shared_info()->HasBytecodeArray()) {
     Handle<Code> original_code(info->shared_info()->code());
     if (GetUnoptimizedCode(info).is_null()) return false;
+    if (info->shared_info()->HasAsmWasmData()) return false;
     DCHECK(info->shared_info()->is_compiled());
     if (original_code->kind() == Code::FUNCTION) {
       // Generating bytecode will install the {InterpreterEntryTrampoline} as