[Frontend, Ir] Equality test passes

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt

@@ -621,7 +621,7 @@ fun Fir2IrComponents.createTemporaryVariableForSafeCallConstruction(
 
 // TODO: implement inlineClassRepresentation in FirRegularClass instead.
 fun Fir2IrComponents.computeInlineClassRepresentation(klass: FirRegularClass): InlineClassRepresentation<IrSimpleType>? {
-    if (!klass.isInline) return null
+    if (!(klass.isInline && klass.primaryConstructorIfAny(session)?.valueParameterSymbols?.size == 1)) return null
     val parameter = klass.getInlineClassUnderlyingParameter(session) ?: error("Inline class has no underlying parameter: ${klass.render()}")
     val underlyingType = parameter.returnTypeRef.toIrType(typeConverter)
     return InlineClassRepresentation(

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt

@@ -26,7 +26,10 @@ import org.jetbrains.kotlin.ir.builders.declarations.UNDEFINED_PARAMETER_INDEX
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.IrExternalPackageFragmentImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrEnumConstructorCallImpl
-import org.jetbrains.kotlin.ir.symbols.*
+import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
+import org.jetbrains.kotlin.ir.symbols.IrEnumEntrySymbol
+import org.jetbrains.kotlin.ir.symbols.IrTypeAliasSymbol
+import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.symbols.impl.*
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.impl.IrSimpleTypeImpl
@@ -284,7 +287,7 @@ class Fir2IrClassifierStorage(
                     isInner = regularClass.isInner,
                     isData = regularClass.isData,
                     isExternal = regularClass.isExternal,
-                    isInline = regularClass.isInline,
+                    isInline = regularClass.isInline && regularClass.primaryConstructorIfAny(session)?.valueParameterSymbols?.size == 1,
                     isExpect = regularClass.isExpect,
                     isFun = regularClass.isFun
                 ).apply {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyClass.kt

@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.fir.backend.*
 import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
 import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
+import org.jetbrains.kotlin.fir.declarations.primaryConstructorIfAny
 import org.jetbrains.kotlin.fir.declarations.utils.*
 import org.jetbrains.kotlin.fir.dispatchReceiverClassOrNull
 import org.jetbrains.kotlin.fir.isNewPlaceForBodyGeneration
@@ -94,7 +95,7 @@ class Fir2IrLazyClass(
         get() = fir.isExternal
 
     override val isInline: Boolean
-        get() = fir.isInline
+        get() = fir.isInline && fir.primaryConstructorIfAny(session)?.valueParameterSymbols?.size == 1
 
     override val isExpect: Boolean
         get() = fir.isExpect