KT-19015: Enable multiarg completion for non-first argument

#KT-19015 fixed

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/smart/MultipleArgumentsItemProvider.kt

@@ -58,8 +58,8 @@ class MultipleArgumentsItemProvider(
         val added = HashSet<String>()
         for (expectedInfo in expectedInfos) {
             val additionalData = expectedInfo.additionalData
-            if (additionalData is ArgumentPositionData.Positional && additionalData.argumentIndex == 0) {
-                val parameters = additionalData.function.valueParameters
+            if (additionalData is ArgumentPositionData.Positional) {
+                val parameters = additionalData.function.valueParameters.drop(additionalData.argumentIndex)
                 if (parameters.size > 1) {
                     val tail = when (additionalData.callType) {
                         Call.CallType.ARRAY_GET_METHOD, Call.CallType.ARRAY_SET_METHOD -> Tail.RBRACKET

idea/idea-completion/testData/smart/multipleArgsItem/notFirstArgument.kt

@@ -0,0 +1,10 @@
+fun f(a: Long, b: Int, c: String) {}
+
+fun foo() {
+    val a = 0L
+    val b = 0
+    val c = "0"
+    f(a, <caret>)
+}
+
+// EXIST: "b, c"

idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmSmartCompletionTestGenerated.java

@@ -1588,6 +1588,12 @@ public class JvmSmartCompletionTestGenerated extends AbstractJvmSmartCompletionT
             String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/smart/multipleArgsItem/CallWithBrackets.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("notFirstArgument.kt")
+        public void testNotFirstArgument() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/smart/multipleArgsItem/notFirstArgument.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("idea/idea-completion/testData/smart/propertyDelegate")