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kotlinlang

What could _possibly_ be responsible for a `NullPointerException` thrown from `Class&lt;*&gt;.desc` in `ReflectClassUtilKt`?

```
java.lang.NullPointerException
    at kotlin.reflect.jvm.internal.structure.ReflectClassUtilKt.getDesc(reflectClassUtil.kt:74) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.JvmFunctionSignature$JavaConstructor$asString$1.invoke(RuntimeTypeMapper.kt:79) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.JvmFunctionSignature$JavaConstructor$asString$1.invoke(RuntimeTypeMapper.kt:77) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.text.StringsKt__StringBuilderKt.appendElement(StringBuilder.kt:58) ~[kotlin-stdlib-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.collections.ArraysKt___ArraysKt.joinTo(_Arrays.kt:12993) ~[kotlin-stdlib-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.collections.ArraysKt___ArraysKt.joinToString(_Arrays.kt:13210) ~[kotlin-stdlib-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.collections.ArraysKt___ArraysKt.joinToString$default(_Arrays.kt:13209) ~[kotlin-stdlib-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.JvmFunctionSignature$JavaConstructor.asString(RuntimeTypeMapper.kt:79) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.KFunctionImpl.&lt;init&gt;(KFunctionImpl.kt:47) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.KClassImpl$Data$constructors$2.invoke(KClassImpl.kt:92) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.KClassImpl$Data$constructors$2.invoke(KClassImpl.kt:44) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.ReflectProperties$LazySoftVal.invoke(ReflectProperties.java:92) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.ReflectProperties$Val.getValue(ReflectProperties.java:31) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.KClassImpl$Data.getConstructors(KClassImpl.kt) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
    at kotlin.reflect.jvm.internal.KClassImpl.getConstructors(KClassImpl.kt:224) ~[kotlin-reflect-1.2.71.jar:1.2.71-release-64 (1.2.71)]
```