JVM_IR KT-46092 fix array spread operator in Kotlin->Java call

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

@@ -41056,6 +41056,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/vararg/kt45187.kt");
         }
 
+        @Test
+        @TestMetadata("kt46092.kt")
+        public void testKt46092() throws Exception {
+            runTest("compiler/testData/codegen/box/vararg/kt46092.kt");
+        }
+
         @Test
         @TestMetadata("kt581.kt")
         public void testKt581() throws Exception {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmSymbols.kt

@@ -745,13 +745,13 @@ class JvmSymbols(
         }
     }
 
-    private val arraysCopyOfFunctions = HashMap<IrSimpleType, IrSimpleFunction>()
+    private val arraysCopyOfFunctions = HashMap<IrClassifierSymbol, IrSimpleFunction>()
 
     private fun IrClass.addArraysCopyOfFunction(arrayType: IrSimpleType) {
         addFunction("copyOf", arrayType, isStatic = true).apply {
             addValueParameter("original", arrayType)
             addValueParameter("newLength", irBuiltIns.intType)
-            arraysCopyOfFunctions[arrayType] = this
+            arraysCopyOfFunctions[arrayType.classifierOrFail] = this
         }
     }
 
@@ -771,15 +771,12 @@ class JvmSymbols(
         }
 
     fun getArraysCopyOfFunction(arrayType: IrSimpleType): IrSimpleFunctionSymbol {
-        val copyOf = arraysCopyOfFunctions[arrayType]
-        return when {
-            copyOf != null ->
-                copyOf.symbol
-            arrayType.classifierOrFail == array ->
-                arraysCopyOfFunctions[arrayOfAnyNType]!!.symbol
-            else ->
-                throw AssertionError("Array type expected: ${arrayType.render()}")
-        }
+        val classifier = arrayType.classifier
+        val copyOf = arraysCopyOfFunctions[classifier]
+        if (copyOf != null)
+            return copyOf.symbol
+        else
+            throw AssertionError("Array type expected: ${arrayType.render()}")
     }
 
     private val javaLangInteger: IrClassSymbol = createClass(FqName("java.lang.Integer")) { klass ->

compiler/testData/codegen/box/vararg/kt46092.kt

@@ -0,0 +1,21 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// FILE: kt46092.kt
+
+class CharSequenceBackedByChars : CharArrayCharSequence {
+    constructor(chars: CharArray) : super(*chars)
+
+    fun test(): String = string
+}
+
+fun box() = CharSequenceBackedByChars(charArrayOf('O', 'K')).test()
+
+// FILE: CharArrayCharSequence.java
+
+public class CharArrayCharSequence {
+    protected final String string;
+
+    public CharArrayCharSequence(char... chars) {
+        string = new String(chars);
+    }
+}

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

@@ -41032,6 +41032,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/vararg/kt45187.kt");
         }
 
+        @Test
+        @TestMetadata("kt46092.kt")
+        public void testKt46092() throws Exception {
+            runTest("compiler/testData/codegen/box/vararg/kt46092.kt");
+        }
+
         @Test
         @TestMetadata("kt581.kt")
         public void testKt581() throws Exception {

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

@@ -41056,6 +41056,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/vararg/kt45187.kt");
         }
 
+        @Test
+        @TestMetadata("kt46092.kt")
+        public void testKt46092() throws Exception {
+            runTest("compiler/testData/codegen/box/vararg/kt46092.kt");
+        }
+
         @Test
         @TestMetadata("kt581.kt")
         public void testKt581() throws Exception {

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

@@ -33008,6 +33008,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/vararg/kt45187.kt");
         }
 
+        @TestMetadata("kt46092.kt")
+        public void testKt46092() throws Exception {
+            runTest("compiler/testData/codegen/box/vararg/kt46092.kt");
+        }
+
         @TestMetadata("kt581.kt")
         public void testKt581() throws Exception {
             runTest("compiler/testData/codegen/box/vararg/kt581.kt");