This issue is also recurrent in Pharo 7:
``` Image ----- Pharo7.0.4 Build information: Pharo-7.0.4+build.168.sha.ccd1f6489120f58ddeacb2cac77cd3a0f0dcfbe6 (64 Bit) Unnamed
Virtual Machine --------------- /Users/jurajkubelka/Pharo/vms/70-x64/Pharo.app/Contents/MacOS/Pharo CoInterpreter VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan 5 2019 StackToRegisterMappingCogit VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan 5 2019 VM: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git Date: Sat Jan 5 20:00:11 2019 CommitHash: 7a3c6b6 Plugins: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git
Mac OS X built on Jan 5 2019 19:11:02 UTC Compiler: 4.2.1 Compatible Apple LLVM 7.3.0 (clang-703.0.31) VMMaker versionString VM: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git Date: Sat Jan 5 20:00:11 2019 CommitHash: 7a3c6b6 Plugins: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git CoInterpreter VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan 5 2019 StackToRegisterMappingCogit VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan 5 2019 ```