diff options
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/corelib.pro | 2 | ||||
| -rw-r--r-- | src/corelib/statemachine/qstatemachine.cpp | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro index 362ac37a59..42fd5d1a61 100644 --- a/src/corelib/corelib.pro +++ b/src/corelib/corelib.pro @@ -8,7 +8,7 @@ MODULE_CONFIG = moc resources CONFIG += $$MODULE_CONFIG DEFINES += $$MODULE_DEFINES -DEFINES += QT_NO_USING_NAMESPACE +DEFINES += QT_NO_USING_NAMESPACE QT_NO_FOREACH win32-msvc*|win32-icc:QMAKE_LFLAGS += /BASE:0x67000000 irix-cc*:QMAKE_CXXFLAGS += -no_prelink -ptused diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp index d5b01f3c8a..e3cfd7b988 100644 --- a/src/corelib/statemachine/qstatemachine.cpp +++ b/src/corelib/statemachine/qstatemachine.cpp @@ -1778,7 +1778,11 @@ void QStateMachinePrivate::_q_start() { Q_Q(QStateMachine); Q_ASSERT(state == Starting); - foreach (QAbstractState *state, configuration) { + // iterate over a copy, since we emit signals which may cause + // 'configuration' to change, resulting in undefined behavior when + // iterating at the same time: + const auto config = configuration; + for (QAbstractState *state : config) { QAbstractStatePrivate *abstractStatePrivate = QAbstractStatePrivate::get(state); abstractStatePrivate->active = false; emit state->activeChanged(false); |