copied in QTCreator 2.7, QT 4.8.5 project. Configure screen showed. Pressed "configure" crash. Was running under lldb. following is dump.

WADE-MAXFIELDs-iMac:Qt5.3.0 maxfield$ lldb Qt\ Creator5.3.app/
Current executable set to 'Qt Creator5.3.app/' (x86_64).
(lldb) run
Process 3138 launched: '/Users/maxfield/Qt5.3.0/Qt Creator5.3.app/Contents/MacOS/Qt Creator' (x86_64)
Warning: No kit 'qt.520.clang_64.essentials_kit' found. Continuing.
Info: creating stash file /.qmake.stash
Process 3138 stopped

• thread #1: tid = 0x2e064, 0x00000001002556c3 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 67, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
  frame #0: 0x00000001002556c3 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 67
  QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 67:
  -> 0x1002556c3: movq 0x78(%rax), %r12
  0x1002556c7: testq %r12, %r12
  0x1002556ca: je 0x1002556e0 ; QWidget::mapFromGlobal(QPoint const&) const + 96
  0x1002556cc: movq %r12, %rdi
  (lldb) bt
• thread #1: tid = 0x2e064, 0x00000001002556c3 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 67, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
• frame #0: 0x00000001002556c3 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 67
  frame #1: 0x000000010025a574 QtWidgets`___lldb_unnamed_function649$$QtWidgets + 612
  frame #2: 0x0000000100257cb1 QtWidgets`___lldb_unnamed_function633$$QtWidgets + 561
  frame #3: 0x000000010020277c QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 300
  frame #4: 0x0000000100205171 QtWidgets`QApplication::notify(QObject*, QEvent*) + 5985
  frame #5: 0x0000000100e66ca2 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 114
  frame #6: 0x00000001007cc80f QtGui`QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent*) + 911
  frame #7: 0x00000001007c81b7 QtGui`QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) + 1383
  frame #8: 0x00000001007b6c3b QtGui`QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 315
  frame #9: 0x0000000103b1ea97 libqcocoa.dylib`___lldb_unnamed_function441$$libqcocoa.dylib + 295
  frame #10: 0x0000000103b1f5a8 libqcocoa.dylib`___lldb_unnamed_function455$$libqcocoa.dylib + 40
  frame #11: 0x00007fff93814b31 CoreFoundation`_CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_ + 17
  frame #12: 0x00007fff93814455 CoreFoundation`__CFRunLoopDoSources0 + 245
  frame #13: 0x00007fff938377f5 CoreFoundation`__CFRunLoopRun + 789
  frame #14: 0x00007fff938370e2 CoreFoundation`CFRunLoopRunSpecific + 290
  frame #15: 0x00007fff8ad32eb4 HIToolbox`RunCurrentEventLoopInMode + 209
  frame #16: 0x00007fff8ad32b94 HIToolbox`ReceiveNextEventCommon + 166
  frame #17: 0x00007fff8ad32ae3 HIToolbox`BlockUntilNextEventMatchingListInMode + 62
  frame #18: 0x00007fff92248533 AppKit`_DPSNextEvent + 685
  frame #19: 0x00007fff92247df2 AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
  frame #20: 0x00007fff9223f1a3 AppKit`-[NSApplication run] + 517
  frame #21: 0x0000000103b1e374 libqcocoa.dylib`___lldb_unnamed_function436$$libqcocoa.dylib + 2404
  frame #22: 0x0000000100e63d1d QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 381
  frame #23: 0x0000000100e67257 QtCore`QCoreApplication::exec() + 359
  frame #24: 0x000000010000d643 Qt Creator`main + 23347
  (lldb)