Fix callable reference to member of generic class

compiler/backend/src/org/jetbrains/kotlin/codegen/ClosureCodegen.java

@@ -326,7 +326,7 @@ public class ClosureCodegen extends MemberCodegen<JetElement> {
             if (generateBody) {
                 mv.visitCode();
                 InstructionAdapter iv = new InstructionAdapter(mv);
-                Method method = typeMapper.mapSignature(descriptor).getAsmMethod();
+                Method method = typeMapper.mapSignature(descriptor.getOriginal()).getAsmMethod();
                 iv.aconst(method.getName() + method.getDescriptor());
                 iv.areturn(JAVA_STRING_TYPE);
                 FunctionCodegen.endVisit(iv, "function reference getSignature", element);

compiler/testData/codegen/boxWithStdlib/reflection/call/memberOfGenericClass.kt

@@ -0,0 +1,12 @@
+var result = "Fail"
+
+class A<T> {
+    fun foo(t: T) {
+        result = t as String
+    }
+}
+
+fun box(): String {
+    (A<String>::foo).call(A<String>(), "OK")
+    return result
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithStdlibCodegenTestGenerated.java

@@ -2799,6 +2799,12 @@ public class BlackBoxWithStdlibCodegenTestGenerated extends AbstractBlackBoxCode
                 doTestWithStdlib(fileName);
             }
 
+            @TestMetadata("memberOfGenericClass.kt")
+            public void testMemberOfGenericClass() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/call/memberOfGenericClass.kt");
+                doTestWithStdlib(fileName);
+            }
+
             @TestMetadata("platformStatic.kt")
             public void testPlatformStatic() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/call/platformStatic.kt");