Report deprecation warning when -Xuse-old-backend is specified

#KT-48532
2021-08-06 19:23:49 +02:00
parent 778b04ae34
commit a6336ec134
5 changed files with 14 additions and 3 deletions
@@ -1,3 +1,4 @@
+warning: -Xuse-old-backend is deprecated and will be removed in a future release
 compiler/testData/cli/jvm/classAndTraitClash.kt:3:1: error: duplicate JVM class name 'test/T1$DefaultImpls' generated from: `T1$DefaultImpls`, T1
 interface  T1 {
 ^