[IR] Support user-defined equals for MFVC

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

#KT-1179

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

@@ -1,6 +1,8 @@
+// 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
 // TARGET_BACKEND: JVM_IR
 // CHECK_BYTECODE_LISTING
 
@@ -93,4 +95,4 @@ fun box() = when {
 
 
     else -> "OK"
-}
+}