JVM: support enumEntries intrinsic for Java & old Kotlin enums

#KT-59710 Fixed

compiler/testData/codegen/box/enum/enumEntriesIntrinsicForJava.kt

@@ -0,0 +1,29 @@
+// TARGET_BACKEND: JVM_IR
+// !OPT_IN: kotlin.ExperimentalStdlibApi
+// WITH_STDLIB
+// FILE: Z.java
+
+public enum Z {
+    O, K
+}
+
+// FILE: box.kt
+
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE") // TODO: remove once KT-53154 is fixed.
+
+import kotlin.enums.*
+
+fun callFromOtherFunctionInTheSameFile(): EnumEntries<Z> = enumEntries<Z>()
+
+fun box(): String {
+    val z = enumEntries<Z>()
+    if (z.toString() != "[O, K]") return "Fail 1: $z"
+
+    val z2 = enumEntries<Z>()
+    if (z2 !== z) return "Fail 2: another instance of EnumEntries is created"
+
+    val z3 = callFromOtherFunctionInTheSameFile()
+    if (z3 !== z) return "Fail 3: another instance of EnumEntries is created"
+
+    return "OK"
+}

compiler/testData/codegen/box/enum/enumEntriesIntrinsicMultipleEnums.kt

@@ -0,0 +1,50 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_STDLIB
+
+// CHECK_BYTECODE_LISTING
+// ^ Check that there's only one $EntriesIntrinsicMappings class, with three fields (entries$0, entries$1, entries$2).
+
+// MODULE: lib
+// !LANGUAGE: +EnumEntries
+// FILE: X.kt
+
+enum class X {
+    X1, X2
+}
+
+// FILE: Y.java
+
+public enum Y {
+    Y1, Y2
+}
+
+// FILE: Z.java
+
+public enum Z {
+    Z1, Z2
+}
+
+// MODULE: box(lib)
+// !LANGUAGE: +EnumEntries
+// !OPT_IN: kotlin.ExperimentalStdlibApi
+// FILE: box.kt
+
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE") // TODO: remove once KT-53154 is fixed.
+
+import kotlin.enums.enumEntries
+
+fun box(): String {
+    val x = enumEntries<X>()
+    if (x.toString() != "[X1, X2]") return "Fail X: $x"
+
+    val y = enumEntries<Y>()
+    if (y.toString() != "[Y1, Y2]") return "Fail Y: $y"
+
+    val z = enumEntries<Z>()
+    if (z.toString() != "[Z1, Z2]") return "Fail Z: $z"
+
+    val xx = enumEntries<X>()
+    if (xx.toString() != "[X1, X2]") return "Fail X #2: $xx"
+
+    return "OK"
+}

compiler/testData/codegen/box/enum/enumEntriesIntrinsicMultipleEnums.txt

@@ -0,0 +1,32 @@
+Module: lib
+@kotlin.Metadata
+public final enum class X {
+    // source: 'X.kt'
+    private synthetic final static field $ENTRIES: kotlin.enums.EnumEntries
+    private synthetic final static field $VALUES: X[]
+    public final enum static field X1: X
+    public final enum static field X2: X
+    private synthetic final static method $values(): X[]
+    static method <clinit>(): void
+    private method <init>(p0: java.lang.String, p1: int): void
+    public static @org.jetbrains.annotations.NotNull method getEntries(): kotlin.enums.EnumEntries
+    public static method valueOf(p0: java.lang.String): X
+    public static method values(): X[]
+}
+Module: box
+@kotlin.Metadata
+public synthetic final class BoxKt$EntriesIntrinsicMappings {
+    // source: 'box.kt'
+    public synthetic final static field entries$0: kotlin.enums.EnumEntries
+    public synthetic final static field entries$1: kotlin.enums.EnumEntries
+    public synthetic final static field entries$2: kotlin.enums.EnumEntries
+    static method <clinit>(): void
+    public synthetic inner class BoxKt$EntriesIntrinsicMappings
+}
+
+@kotlin.Metadata
+public final class BoxKt {
+    // source: 'box.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public synthetic inner class BoxKt$EntriesIntrinsicMappings
+}