Bug 1172150 - Remove bogus assert. (r=bz)

js/src/tests/ecma_6/Class/newTargetNonFunction.js

@@ -0,0 +1,10 @@
+// Make sure that we can plumb new.target, even if the results are going to
+// throw.
+
+assertThrowsInstanceOf(() => new ""(...Array()), TypeError);
+
+assertThrowsInstanceOf(() => new ""(), TypeError);
+assertThrowsInstanceOf(() => new ""(1), TypeError);
+
+if (typeof reportCompare === 'function')
+    reportCompare(0,0,"OK");

js/src/vm/Interpreter.cpp

@@ -4587,10 +4587,8 @@ js::SpreadCallOperation(JSContext* cx, HandleScript script, jsbytecode* pc, Hand
     if (!GetElements(cx, aobj, length, args.array()))
         return false;
 
-    if (constructing) {
-        MOZ_ASSERT(newTarget.isObject());
+    if (constructing)
         args.newTarget().set(newTarget);
-    }
 
     switch (op) {
       case JSOP_SPREADNEW: