[IR] Support user-defined equals for MFVC

Signed-off-by: Evgeniy.Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>

#KT-1179

compiler/testData/codegen/box/inlineClasses/inlineClassHashCodeOverride.kt

@@ -1,6 +1,9 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
+// CHECK_BYTECODE_LISTING
 
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class A(val value: MyClass) {
@@ -11,4 +14,4 @@ class MyClass() {
     override fun hashCode() = -1
 }
 
-fun box(): String = if (A(MyClass()).hashCode() == 42) "OK" else "Fail"
+fun box(): String = if (A(MyClass()).hashCode() == 42) "OK" else "Fail"