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kotlinlang

I try to run `:compiler:tests-common-new:test` on current kotlin master, but I get
`&gt; Task :kotlin-stdlib-js:compileKotlin2Js FAILED`
`e: Old Kotlin/JS compiler is no longer supported. Please migrate to the new JS IR backend`

Secondly, as this seems to involve JS part, what if I only want to test JVM-IR backend? JS- tasks should not be required for this after all.

Try to perform clean build (`gdw clean dist --no-build-cache`)
Also I suggest to rebase on latest master and kill all kotlin daemons before running gradle

Wow, the repo recompiled in only half an hour, instead of 3h as I remember it. Does it maybe use K2 by default?
Or maybe the `dist` task simply does less then `assemble` :thinking_face:

&gt; only half an hour, instead of 3h
Holly-Molly, for me clean build takes 5-7 minutes without K2 (if Native modules are disabled)

Actually, I have no idea what `assemble` does, we don't use this task in production
`dist` creates executable distributive of `kotlinc`
Also you can use `install/publish` tasks fro publishing maven artifacts (first one puts them into `~/.m2` and second one into `./build/repo`
&gt; Does it maybe use K2 by default?
K2 compilation is disabled by default, but you can turn it on by adding `kotlin.build.useFir=true` into `local.properties`