Do not check argumentMapping.isError()

Argument matching status can be considered an "error" in resolve,
even though it is not a compilation error and doesn't prevent code
from being generated.
Actually, we should only check if the argument matching status is
ArgumentMatch.

 #KT-18294 Fixed

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/KotlinUtils.kt

@@ -48,10 +48,8 @@ fun KtElement.deparenthesize(): KtElement =
 fun ResolvedCall<*>.isValueArgumentReorderingRequired(): Boolean {
     var lastValueParameterIndex = -1
     for (valueArgument in call.valueArguments) {
-        val argumentMapping = getArgumentMapping(valueArgument)
-        if (argumentMapping !is ArgumentMatch || argumentMapping.isError()) {
-            throw Exception("Value argument in function call is mapped with error")
-        }
+        val argumentMapping = getArgumentMapping(valueArgument) as? ArgumentMatch ?:
+                              throw Exception("Value argument in function call is mapped with error")
         val argumentIndex = argumentMapping.valueParameter.index
         if (argumentIndex < lastValueParameterIndex) {
             return true