Last builds have a recurrent problem.
When editing a medium size project, it seems to go into some grammar state that clangback does not "like" and qtcreator crashes with the following mesage:
lmoffatt@gpuLuciano:~/qtcreator-4.12.0-beta1/bin$ ./qtcreator
SOFT ASSERT: "isLoaded()" in file /home/qt/work/build/qt-creator/src/plugins/qtsupport/qtversionmanager.cpp, line 535
"Warning reading /home/lmoffatt/.config/QtProject/qtcreator/default.qws:82: Failed to read element \"value\"."
"Warning reading /home/lmoffatt/.config/QtProject/qtcreator/default.qws:82: Failed to read element \"value\"."
"Warning reading /home/lmoffatt/.config/QtProject/qtcreator/default.qws:82: Failed to read element \"value\"."
"Warning reading /home/lmoffatt/.config/QtProject/qtcreator/default.qws:82: Failed to read element \"value\"."
ConnectionServer error: "QLocalSocket: Remote closed" "/tmp/QtCreator-RMzGyG/ClangPchManagerBackEnd-58278"
ConnectionServer error: "QLocalSocket: Remote closed" "/tmp/QtCreator-RMzGyG/ClangBackEnd-58278"
Violación de segmento