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Fix dangling references, found by GCC 13

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Lifetime extension via const-ref only applies to functions that return
by value. For those that already return by reference (such as
QList::constLast()), no extension happens and we end up with a dangling
reference.

cmakebuildconfiguration.cpp:1473:25: warning: possibly dangling reference to a temporary [-Wdangling-reference]
cmakebuildconfiguration.cpp:1473:61: note: the temporary was destroyed at the end of the full expression ‘ProjectExplorer::BuildStepList::steps() const().QList<ProjectExplorer::BuildStep*>::constLast()’

Change-Id: I3b169860d8bd41e9be6bfffd1757167b7348be9b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
This commit is contained in:
Thiago Macieira
2023-04-18 09:54:27 -07:00
parent 0e3089314b
commit d1d893f098
4 changed files with 5 additions and 5 deletions
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2
src/plugins/valgrind/callgrindvisualisation.cpp
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@@ -155,7 +155,7 @@ void FunctionGraphicsItem::paint(QPainter *painter,
painter->save();
QRectF rect = this->rect();
const QColor &color = brush().color();
const QColor color = brush().color();
if (option->state & QStyle::State_Selected) {
QLinearGradient gradient(0, 0, rect.width(), 0);
gradient.setColorAt(0, color.darker(100));