FIR: report NO_TYPE_ARGUMENTS_ON_RHS properly

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/diagnostics/FirDiagnostics.kt

@@ -70,10 +70,22 @@ class ConeIllegalAnnotationError(val name: Name) : ConeDiagnostic() {
     override val reason: String get() = "Not a legal annotation: $name"
 }
 
-class ConeWrongNumberOfTypeArgumentsError(val desiredCount: Int, val type: FirClassLikeSymbol<*>) : ConeDiagnostic() {
+abstract class ConeUnmatchedTypeArgumentsError(val desiredCount: Int, val type: FirClassLikeSymbol<*>) : ConeDiagnostic()
+
+class ConeWrongNumberOfTypeArgumentsError(
+    desiredCount: Int,
+    type: FirClassLikeSymbol<*>
+) : ConeUnmatchedTypeArgumentsError(desiredCount, type) {
     override val reason: String get() = "Wrong number of type arguments"
 }
 
+class ConeNoTypeArgumentsOnRhsError(
+    desiredCount: Int,
+    type: FirClassLikeSymbol<*>
+) : ConeUnmatchedTypeArgumentsError(desiredCount, type) {
+    override val reason: String get() = "No type arguments on RHS"
+}
+
 class ConeInstanceAccessBeforeSuperCall(val target: String) : ConeDiagnostic() {
     override val reason: String get() = "Cannot access ''${target}'' before superclass constructor has been called"
 }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirExpressionsResolveTransformer.kt

@@ -502,7 +502,7 @@ open class FirExpressionsResolveTransformer(transformer: FirBodyResolveTransform
         val originalType = argument.typeRef.coneTypeSafe<ConeKotlinType>() ?: return this
         val newType = computeRepresentativeTypeForBareType(type, originalType) ?: return buildErrorTypeRef {
             source = this@withTypeArgumentsForBareType.source
-            diagnostic = ConeWrongNumberOfTypeArgumentsError(firClass.typeParameters.size, firClass.symbol)
+            diagnostic = ConeNoTypeArgumentsOnRhsError(firClass.typeParameters.size, firClass.symbol)
         }
         return if (newType.typeArguments.isEmpty()) this else withReplacedConeType(newType)
     }