[tests] Add test data for KT-53740

compiler/testData/diagnostics/tests/builderInference/issues/kt53740a.fir.kt

@@ -0,0 +1,37 @@
+// ISSUE: KT-53740
+// CHECK_TYPE_WITH_EXACT
+
+fun test() {
+    val buildee = parallelBuild(
+        {
+            setTypeVariable(TargetType())
+        },
+        {
+            consumeDifferentType(getTypeVariable())
+        }
+    )
+    // exact type equality check — turns unexpected compile-time behavior into red code
+    // considered to be non-user-reproducible code for the purposes of these tests
+    checkExactType<Buildee<TargetType>>(<!ARGUMENT_TYPE_MISMATCH("Buildee<TargetType>; Buildee<kotlin.Any>")!>buildee<!>)
+}
+
+
+
+
+class TargetType
+class DifferentType
+
+fun consumeDifferentType(value: DifferentType) {}
+
+class Buildee<TV> {
+    fun setTypeVariable(value: TV) { storage = value }
+    fun getTypeVariable(): TV = storage
+    private var storage: TV = null!!
+}
+
+fun <PTV> parallelBuild(
+    instructionsA: Buildee<PTV>.(PTV) -> Unit,
+    instructionsB: Buildee<PTV>.(PTV) -> Unit
+): Buildee<PTV> {
+    return null!!
+}

compiler/testData/diagnostics/tests/builderInference/issues/kt53740a.kt

@@ -0,0 +1,37 @@
+// ISSUE: KT-53740
+// CHECK_TYPE_WITH_EXACT
+
+fun test() {
+    val buildee = parallelBuild(
+        <!BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION!>{
+            setTypeVariable(TargetType())
+        }<!>,
+        <!BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION!>{
+            consumeDifferentType(getTypeVariable())
+        }<!>
+    )
+    // exact type equality check — turns unexpected compile-time behavior into red code
+    // considered to be non-user-reproducible code for the purposes of these tests
+    checkExactType<Buildee<TargetType>>(<!TYPE_MISMATCH("Buildee<TargetType>; Buildee<Any>"), TYPE_MISMATCH("Buildee<Any>; Buildee<TargetType>")!>buildee<!>)
+}
+
+
+
+
+class TargetType
+class DifferentType
+
+fun consumeDifferentType(value: DifferentType) {}
+
+class Buildee<TV> {
+    fun setTypeVariable(value: TV) { storage = value }
+    fun getTypeVariable(): TV = storage
+    private var storage: TV = null!!
+}
+
+fun <PTV> parallelBuild(
+    instructionsA: Buildee<PTV>.(PTV) -> Unit,
+    instructionsB: Buildee<PTV>.(PTV) -> Unit
+): Buildee<PTV> {
+    return null!!
+}

compiler/testData/diagnostics/tests/builderInference/issues/kt53740b.fir.kt

@@ -0,0 +1,45 @@
+// ISSUE: KT-53740
+// CHECK_TYPE_WITH_EXACT
+
+fun test() {
+    val buildee = parallelInOutBuild(
+        {
+            setInProjectedTypeVariable(TargetType())
+        },
+        {
+            consumeDifferentType(getOutProjectedTypeVariable())
+        }
+    )
+    // exact type equality check — turns unexpected compile-time behavior into red code
+    // considered to be non-user-reproducible code for the purposes of these tests
+    checkExactType<Buildee<TargetType>>(<!ARGUMENT_TYPE_MISMATCH("Buildee<TargetType>; Buildee<kotlin.Any>")!>buildee<!>)
+}
+
+
+
+
+class TargetType
+class DifferentType
+
+fun consumeDifferentType(value: DifferentType) {}
+
+class Buildee<TV> {
+    fun setTypeVariable(value: TV) { storage = value }
+    fun getTypeVariable(): TV = storage
+    private var storage: TV = null!!
+}
+
+class OutBuildee<out OTV>(private val buildee: Buildee<out OTV>) {
+    fun getOutProjectedTypeVariable(): OTV = buildee.getTypeVariable()
+}
+
+class InBuildee<in ITV>(private val buildee: Buildee<in ITV>) {
+    fun setInProjectedTypeVariable(value: ITV) { buildee.setTypeVariable(value) }
+}
+
+fun <PTV> parallelInOutBuild(
+    inProjectedInstructions: InBuildee<PTV>.(PTV) -> Unit,
+    outProjectedInstructions: OutBuildee<PTV>.(PTV) -> Unit
+): Buildee<PTV> {
+    return null!!
+}

compiler/testData/diagnostics/tests/builderInference/issues/kt53740b.kt

@@ -0,0 +1,45 @@
+// ISSUE: KT-53740
+// CHECK_TYPE_WITH_EXACT
+
+fun test() {
+    val buildee = parallelInOutBuild(
+        <!BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION!>{
+            setInProjectedTypeVariable(TargetType())
+        }<!>,
+        <!BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION!>{
+            consumeDifferentType(getOutProjectedTypeVariable())
+        }<!>
+    )
+    // exact type equality check — turns unexpected compile-time behavior into red code
+    // considered to be non-user-reproducible code for the purposes of these tests
+    checkExactType<Buildee<TargetType>>(<!TYPE_MISMATCH("Buildee<TargetType>; Buildee<Any>"), TYPE_MISMATCH("Buildee<Any>; Buildee<TargetType>")!>buildee<!>)
+}
+
+
+
+
+class TargetType
+class DifferentType
+
+fun consumeDifferentType(value: DifferentType) {}
+
+class Buildee<TV> {
+    fun setTypeVariable(value: TV) { storage = value }
+    fun getTypeVariable(): TV = storage
+    private var storage: TV = null!!
+}
+
+class OutBuildee<out OTV>(private val buildee: Buildee<out OTV>) {
+    fun getOutProjectedTypeVariable(): OTV = buildee.getTypeVariable()
+}
+
+class InBuildee<in ITV>(private val buildee: Buildee<in ITV>) {
+    fun setInProjectedTypeVariable(value: ITV) { buildee.setTypeVariable(value) }
+}
+
+fun <PTV> parallelInOutBuild(
+    inProjectedInstructions: InBuildee<PTV>.(PTV) -> Unit,
+    outProjectedInstructions: OutBuildee<PTV>.(PTV) -> Unit
+): Buildee<PTV> {
+    return null!!
+}