0.4.12-RC-50-geb1a43d gcc dbg lin is affected.
We heavily suspect that to be a regression of
(that we backported into 0.4.12-RC-27-g89f30362457785d82e05bac65d61ae40fd8b3d37)
The problem can be reproduced by installing SciLab 5.5.2 from rapps and pressing Ctrl+O within that application.
(In the past this made the application only log something into its log-window, but did not make it crash)
but now in 0.4.12-RC-50-geb1a43d gcc dbg lin this operations may even crash the application (reproducibility is < 100% though)
while line 5576 is