| warning: ATTENTION! | |
| This build uses unsafe internal compiler arguments: | |
| -XXLanguage:-RangeUntilOperator | |
| This mode is not recommended for production use, | |
| as no stability/compatibility guarantees are given on | |
| compiler or generated code. Use it at your own risk! | |
| compiler/testData/cli/jvm/readingConfigFromEnvironment/overridingXx.kt:3:19: error: the feature "range until operator" is disabled | |
| for (x in 100 ..< 1) { | |
| ^^^ | |
| COMPILATION_ERROR |