FIR: avoid cast exception in Candidate.prepareExpectedType

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/Arguments.kt

@@ -308,7 +308,8 @@ internal fun Candidate.resolveArgument(
 
 private fun Candidate.prepareExpectedType(session: FirSession, argument: FirExpression, parameter: FirValueParameter?): ConeKotlinType? {
     if (parameter == null) return null
-    if (parameter.returnTypeRef is FirILTTypeRefPlaceHolder) return argument.resultType.coneType
+    if (parameter.returnTypeRef is FirILTTypeRefPlaceHolder && argument.resultType is FirResolvedTypeRef)
+        return argument.resultType.coneType
     val basicExpectedType = argument.getExpectedType(session, parameter/*, LanguageVersionSettings*/)
     val expectedType = getExpectedTypeWithSAMConversion(session, argument, basicExpectedType) ?: basicExpectedType
     return this.substitutor.substituteOrSelf(expectedType)

compiler/testData/codegen/box/classes/kt1980.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 public inline fun Int.times(body : () -> Unit) {
     var count = this;