Add regression test for KT-54707

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -4823,6 +4823,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/casts/kt54581.kt");
         }
 
+        @Test
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @Test
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {

compiler/testData/codegen/box/casts/kt54707.kt

@@ -0,0 +1,15 @@
+// IGNORE_BACKEND: JVM
+// IGNORE_LIGHT_ANALYSIS
+
+fun box(): String =
+    g(arrayOf("O"))
+
+fun g(x: Array<String>?): String =
+    x.orEmpty0().f { it + "K" }
+
+inline fun <T> Array<out T>.f(lambda: (T) -> T): T =
+    lambda(this[0])
+
+inline fun <reified T> Array<out T>?.orEmpty0(): Array<out T> =
+    this ?: (arrayOfNulls<T>(0) as Array<T>)
+

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

@@ -4691,6 +4691,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/casts/kt54581.kt");
         }
 
+        @Test
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @Test
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {

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

@@ -4823,6 +4823,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/casts/kt54581.kt");
         }
 
+        @Test
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @Test
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -3958,6 +3958,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
     public static class Casts extends AbstractLightAnalysisModeTest {
+        @TestMetadata("kt54707.kt")
+        public void ignoreKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         private void runTest(String testDataFilePath) throws Exception {
             KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM, testDataFilePath);
         }

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenBoxTestGenerated.java

@@ -3413,6 +3413,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/casts/kt50577.kt");
         }
 
+        @Test
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @Test
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java

@@ -3473,6 +3473,12 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/casts/kt53677.kt");
         }
 
+        @Test
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @Test
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/testOld/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -3066,6 +3066,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/casts/kt53677.kt");
         }
 
+        @TestMetadata("kt54707.kt")
+        public void testKt54707() throws Exception {
+            runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+        }
+
         @TestMetadata("lambdaToUnitCast.kt")
         public void testLambdaToUnitCast() throws Exception {
             runTest("compiler/testData/codegen/box/casts/lambdaToUnitCast.kt");

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java

@@ -3547,6 +3547,12 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
                 runTest("compiler/testData/codegen/box/casts/kt53677.kt");
             }
 
+            @Test
+            @TestMetadata("kt54707.kt")
+            public void testKt54707() throws Exception {
+                runTest("compiler/testData/codegen/box/casts/kt54707.kt");
+            }
+
             @Test
             @TestMetadata("lambdaToUnitCast.kt")
             public void testLambdaToUnitCast() throws Exception {