IterableUsedAsVararg: fixes according to review IDEA-CR-45949

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/iterableUsedAsVararg/afterErrorCall.java

@@ -0,0 +1,26 @@
+// "Call 'toArray(new String[0])'" "true"
+import java.util.List;
+import java.util.Objects;
+
+class Test {
+  static <T> boolean contains(T needle, T... haystack) {
+    for (final T t : haystack) {
+      if (Objects.equals(t, needle)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  static <T> boolean contains(String needle, String... haystack) {
+    return contains((Object)needle, (Object[])haystack);
+  }
+
+  void use(String s) {
+    if (contains(s, getList().toArray(new String[0]))) {
+
+    }
+  }
+  
+  native List<String> getList();
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/iterableUsedAsVararg/beforeErrorCall.java

@@ -0,0 +1,26 @@
+// "Call 'toArray(new String[0])'" "true"
+import java.util.List;
+import java.util.Objects;
+
+class Test {
+  static <T> boolean contains(T needle, T... haystack) {
+    for (final T t : haystack) {
+      if (Objects.equals(t, needle)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  static <T> boolean contains(String needle, String... haystack) {
+    return contains((Object)needle, (Object[])haystack);
+  }
+
+  void use(String s) {
+    if (contains(s, <caret>getList())) {
+
+    }
+  }
+  
+  native List<String> getList();
+}