[Sketcher][Bugfix] Slot: fix segfault accessing empty vector

2021-11-29 21:40:20 +01:00
parent b5d5f1ef04
commit f568cc6d96
1 changed files with 2 additions and 1 deletions
--- a/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp
+++ b/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp
@@ -7145,7 +7145,8 @@ public:
            try {
                Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add slot"));

-                AutoConstraint lastCons = sugConstr2.back();
+                AutoConstraint lastCons = {Sketcher::None, Sketcher::Constraint::GeoUndef, Sketcher::none};
+                if (!sugConstr2.empty()) lastCons = sugConstr2.back();

                ostringstream snapCon = ostringstream("");
                if (SnapMode == SNAP_MODE_Straight) {