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kotlinlang

Hi, trying to build kotlin multiplatform project with version 1.3.60-dev-2303 and getting this error during the IOS build.
```&gt; Task :linkMyLibReleaseFrameworkIos
e: Compilation failed: Lowering DCEPhase: phases [Devirtualization] are required, but not satisfied
```
I'm using these options
```freeCompilerArgs += "-Xdisable-phases=Devirtualization,BuildDFG"```

Without these options build goes well. On the previous version 1.3.41 these options work well

you probably need to disable DCE phase as well

Another option is to remove all those hacks and check if it works for you now.

I've got
```Execution failed for task ':compileKotlinIos'.
&gt; Process 'command '/Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home/bin/java'' finished with non-zero exit value 1```
using this
```freeCompilerArgs += "-Xdisable-phases=Devirtualization,BuildDFG,DCE"```

These hacks are very useful, it's helping us to debug IOS application

Use `DCEPhase`, and maybe makes sense to report bug with minimal reproducer, so that we could fix it in 1.3.60.