To reproduce:
1. Open user's project
2. Build it for Android
3. Launch the application

Expected: application doesn't crash
Actual: application crashes or freezes on black screen

Reproduced in: 2018.2.0a1, 2018.2.5f1, 2018.3.0a7
Not reproduced in: 2017.2.3p3, 2017.4.9f1, 2018.1.9f1

Note: code lines responsible for the crash:
AndroidJavaObject mapObj = new AndroidJavaObject("java.util.HashMap");
mapObj.Call<string>("put", "publicKey", "abc");