JS: fix FE crashing when type argument count less than parameter count

See KT-20908

compiler/testData/diagnostics/testsWithJsStdLib/module/incompleteReifiedArg.kt

@@ -0,0 +1,5 @@
+inline fun <T, reified K> bar() {}
+
+fun foo() {
+    bar<!WRONG_NUMBER_OF_TYPE_ARGUMENTS!><Int><!>()
+}

compiler/testData/diagnostics/testsWithJsStdLib/module/incompleteReifiedArg.txt

@@ -0,0 +1,4 @@
+package
+
+public inline fun </*0*/ T, /*1*/ reified K> bar(): kotlin.Unit
+public fun foo(): kotlin.Unit

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestWithJsStdLibGenerated.java

@@ -434,6 +434,12 @@ public class DiagnosticsTestWithJsStdLibGenerated extends AbstractDiagnosticsTes
             doTest(fileName);
         }
 
+        @TestMetadata("incompleteReifiedArg.kt")
+        public void testIncompleteReifiedArg() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/testsWithJsStdLib/module/incompleteReifiedArg.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("jsModuleNonExternal.kt")
         public void testJsModuleNonExternal() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/testsWithJsStdLib/module/jsModuleNonExternal.kt");