[tests] Add test data for KT-53422

compiler/testData/codegen/box/builderInference/issues/kt53422a.kt

@@ -0,0 +1,35 @@
+// ISSUE: KT-53422
+
+// IGNORE_LIGHT_ANALYSIS
+// IGNORE_BACKEND: ANY
+// REASON: red code (see corresponding diagnostic test)
+
+fun box(): String {
+    buildFromValue(
+        innerBuild { setInnerTypeVariable(TargetType()) },
+        { it.placeholderExtensionInvokeOnInnerBuildee() }
+    )
+    return "OK"
+}
+
+
+
+
+class TargetType
+
+class InnerBuildee<ITV> {
+    fun setInnerTypeVariable(value: ITV) { storage = value }
+    private var storage: ITV = TargetType() as ITV
+}
+
+fun <EITV> InnerBuildee<EITV>.placeholderExtensionInvokeOnInnerBuildee() {}
+
+class Buildee<TV>
+
+fun <IPTV> innerBuild(instructions: InnerBuildee<IPTV>.() -> Unit): InnerBuildee<IPTV> {
+    return InnerBuildee<IPTV>().apply(instructions)
+}
+
+fun <PTV> buildFromValue(value: PTV, instructions: Buildee<PTV>.(PTV) -> Unit): Buildee<PTV> {
+    return Buildee<PTV>().apply { instructions(value) }
+}

compiler/testData/codegen/box/builderInference/issues/kt53422b.kt

@@ -0,0 +1,38 @@
+// ISSUE: KT-53422
+
+// IGNORE_LIGHT_ANALYSIS
+// IGNORE_BACKEND: ANY
+// REASON: red code (see corresponding diagnostic test)
+
+fun box(): String {
+    stepByStepBuild(
+        {
+            it.concreteTypeMemberProperty
+            TargetType()
+        },
+        {
+            consumeTargetTypeBase(it)
+        }
+    )
+    return "OK"
+}
+
+
+
+
+class ConcreteType
+open class TargetTypeBase {
+    val concreteTypeMemberProperty: ConcreteType = ConcreteType()
+}
+class TargetType: TargetTypeBase()
+
+fun consumeTargetTypeBase(value: TargetTypeBase) {}
+
+class Buildee<TV>
+
+fun <PTV> stepByStepBuild(
+    instructionsA: Buildee<PTV>.(PTV) -> PTV,
+    instructionsB: Buildee<PTV>.(PTV) -> Unit,
+): Buildee<PTV> {
+    return Buildee<PTV>().apply { instructionsB(instructionsA(TargetType() as PTV)) }
+}