(lldb) bt -c 3
* thread #1: tid = 0xf50fa, 0x0022845e hogehoge`CharacterBoxLayer::mShowContents(this=0x16c55e00) + 318 at CharacterBoxLayer.cpp:49, queue = 'com.apple.main-thread, stop reason = breakpoint 1.1
frame #0: 0x0022845ehogehoge` CharacterBoxLayer::mShowContents(this=0x16c55e00) + 318 at CharacterBoxLayer.cpp:49
frame #1: 0x002282e9 hogehoge`CharacterBoxLayer::init(this=0x16c55e00) + 57 at CharacterBoxLayer.cpp:32
frame #2: 0x002288a7 hogehoge`CharacterBoxLayer::create() + 119 at CharacterBoxLayer.cpp:85