Xcode 7 Playground execution EXC_BAD_ACCESS
问题 Running the simplest, default code in Xcode 7 playgrounds... get the following error Playground execution failed: Execution was interrupted, reason: EXC_BAD_ACCESS (code=1, address=0x8). * thread #1: tid = 0x351bc3, 0x00000001062019ca libicucore.A.dylib`utext_clone + 22, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8) * frame #0: 0x00000001062019ca libicucore.A.dylib`utext_clone + 22 frame #1: 0x000000010633ac42 libicucore.A.dylib`icu::RegexMatcher::reset