FE: Add test for KT-56227 (to confirm it's fixed)

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java

@@ -14972,6 +14972,12 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
                 public void testKt55931() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt55931.kt");
                 }
+
+                @Test
+                @TestMetadata("kt56227.kt")
+                public void testKt56227() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.kt");
+                }
             }
 
             @Nested

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java

@@ -14978,6 +14978,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
                 public void testKt55931() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt55931.kt");
                 }
+
+                @Test
+                @TestMetadata("kt56227.kt")
+                public void testKt56227() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.kt");
+                }
             }
 
             @Nested

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java

@@ -14972,6 +14972,12 @@ public class FirOldFrontendDiagnosticsWithLightTreeTestGenerated extends Abstrac
                 public void testKt55931() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt55931.kt");
                 }
+
+                @Test
+                @TestMetadata("kt56227.kt")
+                public void testKt56227() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.kt");
+                }
             }
 
             @Nested

compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.kt

@@ -0,0 +1,30 @@
+// FIR_IDENTICAL
+// WITH_REFLECT
+import kotlin.reflect.KProperty0
+
+data class MyPattern(
+    val name: String,
+    val conservation: String?,
+    val awake: Double,
+    val brainwt: Double?,
+    val bodywt: Double,
+)
+
+
+internal inline fun <reified T> Iterable<T>.ggplot4(
+    x: T.() -> KProperty0<*>,
+    y: T.() -> KProperty0<*>,
+) {
+    // build df from data
+    val map = map { x(it) to y(it) }
+    map.first().first.name
+
+    TODO("do something meaningful")
+}
+
+fun main() {
+    listOf<MyPattern>().ggplot4(
+        x = { ::conservation },
+        y = { ::bodywt }
+    )
+}

compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.txt

@@ -0,0 +1,22 @@
+package
+
+public fun main(): kotlin.Unit
+internal inline fun </*0*/ reified T> kotlin.collections.Iterable<T>.ggplot4(/*0*/ x: T.() -> kotlin.reflect.KProperty0<*>, /*1*/ y: T.() -> kotlin.reflect.KProperty0<*>): kotlin.Unit
+
+public final data class MyPattern {
+    public constructor MyPattern(/*0*/ name: kotlin.String, /*1*/ conservation: kotlin.String?, /*2*/ awake: kotlin.Double, /*3*/ brainwt: kotlin.Double?, /*4*/ bodywt: kotlin.Double)
+    public final val awake: kotlin.Double
+    public final val bodywt: kotlin.Double
+    public final val brainwt: kotlin.Double?
+    public final val conservation: kotlin.String?
+    public final val name: kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.String
+    public final operator /*synthesized*/ fun component2(): kotlin.String?
+    public final operator /*synthesized*/ fun component3(): kotlin.Double
+    public final operator /*synthesized*/ fun component4(): kotlin.Double?
+    public final operator /*synthesized*/ fun component5(): kotlin.Double
+    public final /*synthesized*/ fun copy(/*0*/ name: kotlin.String = ..., /*1*/ conservation: kotlin.String? = ..., /*2*/ awake: kotlin.Double = ..., /*3*/ brainwt: kotlin.Double? = ..., /*4*/ bodywt: kotlin.Double = ...): MyPattern
+    public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -14978,6 +14978,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 public void testKt55931() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt55931.kt");
                 }
+
+                @Test
+                @TestMetadata("kt56227.kt")
+                public void testKt56227() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/inference/callableReferences/kt56227.kt");
+                }
             }
 
             @Nested