所以有很多这样的线程，但没有答案对我有用。所以，我正在使用 Xcode 4.2 和启用情节提要的单视图应用程序。它给了我 sigabrt 错误！
我正在制作一种叫做 Cool calc 的计算器。
访问http://pastebin.com/awmizYJQ获取我的.H和 .M 信息
在我的输出中它说
GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 8 20:32:45 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin".Attaching to process 1185.
2012-06-20 14:11:37.556 storyboardcoolcalc[1185:f803] Applications are expected to have a root view controller at the end of application launch
编辑：我忘了添加最重要的信息..... sigabart 信息可在 imgur.com/yzCSS