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QmlDebug: Fix crash on Mac OS X

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Work-around for what seems to be an optimization bug in
i686-apple-darwin9-gcc-4.2.1 . Without it, for i = 1
i - 1 != 0 .

Task-number: QTCREATORBUG-4107
Reviewed-by: hjk
This commit is contained in:
Kai Koehne
2011-04-11 16:31:11 +02:00
parent 184c97add1
commit d2a1610dce
1 changed files with 7 additions and 2 deletions
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9
src/libs/utils/crumblepath.cpp
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@@ -363,8 +363,13 @@ void CrumblePath::resizeButtons()
nextElementPosition.rx() += button->width() - ArrowBorderSize; nextElementPosition.rx() += button->width() - ArrowBorderSize;
button->show(); button->show();
if (i > 0) if (i > 0) {
button->stackUnder(d->m_buttons[i - 1]); // work-around for a compiler / optimization bug in i686-apple-darwin9-g
// without volatile, the optimizer (-O2) seems to do the wrong thing (tm
// the d->m_buttons array with an invalid argument.
volatile int prevIndex = i - 1;
button->stackUnder(d->m_buttons[prevIndex]);
}
} }
} }
} }