Don't exclude callable references with type parameters from completion

idea/ide-common/src/org/jetbrains/kotlin/idea/util/CallType.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
+ * Copyright 2010-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,7 +25,6 @@ import org.jetbrains.kotlin.psi.psiUtil.getReceiverExpression
 import org.jetbrains.kotlin.psi.psiUtil.isImportDirectiveExpression
 import org.jetbrains.kotlin.psi.psiUtil.isPackageDirectiveExpression
 import org.jetbrains.kotlin.resolve.BindingContext
-import org.jetbrains.kotlin.resolve.bindingContextUtil.getDataFlowInfoAfter
 import org.jetbrains.kotlin.resolve.bindingContextUtil.getDataFlowInfoBefore
 import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowInfo
 import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowValueFactory
@@ -89,8 +88,8 @@ sealed class CallType<TReceiver : KtElement?>(val descriptorKindFilter: Descript
     }
 
     private object CallableReferenceExclude : DescriptorKindExclude() {
-        override fun excludes(descriptor: DeclarationDescriptor) /* currently not supported for locals, synthetic and genetic */
-                = descriptor !is CallableMemberDescriptor || descriptor.kind == CallableMemberDescriptor.Kind.SYNTHESIZED || descriptor.typeParameters.isNotEmpty()
+        override fun excludes(descriptor: DeclarationDescriptor) /* currently not supported for locals and synthetic */
+                = descriptor !is CallableMemberDescriptor || descriptor.kind == CallableMemberDescriptor.Kind.SYNTHESIZED
 
         override val fullyExcludedDescriptorKinds: Int
             get() = 0

idea/idea-completion/testData/basic/common/callableReference/EmptyQualifier.kt

@@ -9,7 +9,6 @@ var globalVar = 1
 
 fun funWithFunctionParameter(p: () -> Unit) {}
 
-// callable references to generic functions are not supported currently
 fun <T> genericFun(t: T): T = t
 
 class C {
@@ -54,7 +53,7 @@ abstract class AbstractClass
 // ABSENT: class
 // ABSENT: class.java
 // EXIST: { itemText: "funWithFunctionParameter", tailText: "(p: () -> Unit) (<root>)", attributes: "" }
-// ABSENT: genericFun
+// EXIST: { itemText: "genericFun", tailText: "(t: T) (<root>)", attributes: "" }
 
 // ABSENT: "kotlin"
 // ABSENT: "java"

idea/idea-completion/testData/basic/common/callableReference/GenericConstructor.kt

@@ -0,0 +1,8 @@
+class Wrapper<T>(val value: T)
+
+fun test() {
+    listOf<String>().map(::Wrap<caret>)
+}
+
+// EXIST: { lookupString: "Wrapper", itemText: "Wrapper",    tailText: "(value: T)", attributes: "" }
+// NOTHING_ELSE

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

@@ -1261,6 +1261,12 @@ public class JSBasicCompletionTestGenerated extends AbstractJSBasicCompletionTes
                 doTest(fileName);
             }
 
+            @TestMetadata("GenericConstructor.kt")
+            public void testGenericConstructor() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/basic/common/callableReference/GenericConstructor.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("HigherOrderFunction.kt")
             public void testHigherOrderFunction() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/basic/common/callableReference/HigherOrderFunction.kt");

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

@@ -1261,6 +1261,12 @@ public class JvmBasicCompletionTestGenerated extends AbstractJvmBasicCompletionT
                 doTest(fileName);
             }
 
+            @TestMetadata("GenericConstructor.kt")
+            public void testGenericConstructor() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/basic/common/callableReference/GenericConstructor.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("HigherOrderFunction.kt")
             public void testHigherOrderFunction() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/idea-completion/testData/basic/common/callableReference/HigherOrderFunction.kt");