Add asm.js stdlib portion implementable as wasm opcodes.

src/wasm/wasm-js.cc

Index: src/wasm/wasm-js.cc
diff --git a/src/wasm/wasm-js.cc b/src/wasm/wasm-js.cc
index 62a2676032e5096f63921605205d403795a85666..543f4947065a8d97a84d3a7758f871d87892fb08 100644
--- a/src/wasm/wasm-js.cc
+++ b/src/wasm/wasm-js.cc
@@ -123,9 +123,10 @@ v8::internal::wasm::WasmModuleIndex* TranslateAsmModule(
     return nullptr;
   }
 
-  auto module = v8::internal::wasm::AsmWasmBuilder(
-                    info->isolate(), info->zone(), info->literal(), foreign)
-                    .Run();
+  auto module =
+      v8::internal::wasm::AsmWasmBuilder(info->isolate(), info->zone(),
+                                         info->literal(), foreign, &typer)
+          .Run();
 
   if (i::FLAG_dump_asmjs_wasm) {
     FILE* wasm_file = fopen(i::FLAG_asmjs_wasm_dumpfile, "wb");