[JVM] Improve code coverage of EntriesMapping

Ensure that when .entries is accessed from an inline function body
or lambda argument, EntriesMapping are properly generated and used
without excessive mappings and duplicated fields

#KT-53236

compiler/testData/codegen/boxInline/anonymousObject/enumEntries/callSite.kt

@@ -0,0 +1,35 @@
+// TARGET_BACKEND: JVM_IR
+// NO_CHECK_LAMBDA_INLINING
+// WITH_RUNTIME
+
+// WITH_STDLIB
+
+// MODULE: lib
+// FILE: MyEnum.kt
+
+package test
+
+enum class X {
+    O,
+    K
+}
+
+inline fun test(block: () -> String): String {
+    return block()
+}
+
+// MODULE: caller(lib)
+// !LANGUAGE: +EnumEntries
+
+// FILE: 2.kt
+
+import test.*
+
+@OptIn(ExperimentalStdlibApi::class)
+fun box(): String {
+    return test {
+        X.entries[0].toString()
+    } + test {
+        X.entries[1].toString()
+    }
+}

compiler/testData/codegen/boxInline/anonymousObject/enumEntries/declSite.kt

@@ -0,0 +1,28 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_RUNTIME
+// WITH_STDLIB
+
+// MODULE: lib
+// FILE: 1.kt
+
+package test
+
+enum class X {
+    O,
+    K
+}
+
+// MODULE: caller(lib)
+// !LANGUAGE: +EnumEntries
+
+// FILE: 2.kt
+import test.*
+
+@OptIn(ExperimentalStdlibApi::class)
+inline fun test(idx: Int): String {
+    return X.entries[idx].toString()
+}
+
+fun box(): String {
+    return test(0) + test(1)
+}

compiler/testData/codegen/boxInline/anonymousObject/enumEntries/declSiteSeveralMappings.kt

@@ -0,0 +1,38 @@
+// TARGET_BACKEND: JVM_IR
+
+// WITH_RUNTIME
+// WITH_STDLIB
+
+// MODULE: lib
+// FILE: 1.kt
+
+package test
+
+enum class X {
+    O,
+    K
+}
+
+enum class Y {
+    O,
+    K
+}
+
+// MODULE: caller(lib)
+// !LANGUAGE: +EnumEntries
+
+// FILE: 2.kt
+import test.*
+
+@OptIn(ExperimentalStdlibApi::class)
+fun funForAdditionalMappingArrayInMappingFile(): String = Y.entries[1].toString()
+
+@OptIn(ExperimentalStdlibApi::class)
+inline fun test(idx: Int): String = X.entries[idx].toString()
+
+// FILE: 3.kt
+import test.*
+
+fun box(): String {
+    return test(0) + test(1)
+}

compiler/testData/codegen/boxInline/anonymousObject/enumEntries/declSiteSeveralMappingsDifOrder.kt

@@ -0,0 +1,38 @@
+// TARGET_BACKEND: JVM_IR
+
+// WITH_RUNTIME
+// WITH_STDLIB
+
+// MODULE: lib
+// FILE: 1.kt
+
+package test
+
+enum class X {
+    O,
+    K
+}
+
+enum class Y {
+    O,
+    K
+}
+
+// MODULE: caller(lib)
+// !LANGUAGE: +EnumEntries
+
+// FILE: 2.kt
+import test.*
+
+@OptIn(ExperimentalStdlibApi::class)
+inline fun test(idx: Int): String = X.entries[idx].toString()
+
+@OptIn(ExperimentalStdlibApi::class)
+fun funForAdditionalMappingArrayInMappingFile(): String = Y.entries[1].toString()
+
+// FILE: 3.kt
+import test.*
+
+fun box(): String {
+    return test(0) + test(1)
+}