Android build fails with kotlin-reflect and proguard

Question

I am unable to build my release product if I include kotlin-reflect with it. I attempted adding this to proguard configuration:

-keep class kotlin.reflect.** { *; }

But it did not help at all. Here is the error result from the gradle build:

Optimizing...
Unexpected error while performing partial evaluation:
   Class       = [kotlin/reflect/jvm/internal/impl/renderer/DescriptorRendererImpl]
   Method      = [renderPossiblyInnerType(Ljava/lang/StringBuilder;Lkotlin/reflect/jvm/internal/impl/descriptors/PossiblyInnerType;)V]
   Exception   = [java.lang.IllegalArgumentException] (Stacks have different current sizes [0] and [1])
 Warning: Exception while processing task java.io.IOException: java.lang.IllegalArgumentException: Stacks have different current sizes [0] and [1]

I am using kotlin 1.1.1 (and gradle 3.3, if that matters.) j

You probably need to also keep the members and their names – Louis CAD Mar 15 '17 at 19:15 — Louis CAD, Mar 15 '17 at 19:15
use `-dontoptimize` in the proguard config – Aaron He Sep 08 '17 at 22:31 — Aaron He, Sep 08 '17 at 22:31

Ignacio Tomas Crespo · Answer 1 · 2019-09-20T22:37:18.170

0

I had some similar errors with kotlin reflect class and proguard, solved adding in the -optimizations

!class/unboxing/enum

My bug was related to this Android Proguard failing with "Value 'i' is not a reference value" and found the fix in one of the comments

edited Sep 20 '19 at 22:37

answered Sep 20 '19 at 22:20

Ignacio Tomas Crespo

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Android build fails with kotlin-reflect and proguard

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