Revert of Remove SIMD.js from V8.

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index 73060eee487f588b8a285b725600bf47acd0f2fa..8544381dcdff0d96a0a0a922a4e107cb647152e2 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -11137,9 +11137,11 @@
   return op == Token::EQ_STRICT &&
          ((left->IsConstant() &&
            !HConstant::cast(left)->handle(isolate)->IsNumber() &&
+           !HConstant::cast(left)->handle(isolate)->IsSimd128Value() &&
            !HConstant::cast(left)->handle(isolate)->IsString()) ||
           (right->IsConstant() &&
            !HConstant::cast(right)->handle(isolate)->IsNumber() &&
+           !HConstant::cast(right)->handle(isolate)->IsSimd128Value() &&
            !HConstant::cast(right)->handle(isolate)->IsString()));
 }