Determine underlying property of inline class by its name

Previous way to distinguish "primary constructor properties" from other
 properties wasn't correct for deserialized properties, because currently
 we don't have special information about this in metadata

core/descriptors/src/org/jetbrains/kotlin/resolve/inlineClassesUtils.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.resolve
 
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.PropertyDescriptor
 import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.types.KotlinType
@@ -39,3 +40,10 @@ fun KotlinType.isNullableUnderlyingType(): Boolean {
 
     return TypeUtils.isNullableType(underlyingType)
 }
+
+fun PropertyDescriptor.isUnderlyingPropertyOfInlineClass(): Boolean {
+    val containingDeclaration = this.containingDeclaration
+    if (!containingDeclaration.isInlineClass()) return false
+
+    return (containingDeclaration as ClassDescriptor).underlyingRepresentation()?.name == this.name
+}