Swift thread 1 exc_bad_access (code=exc_i386_gpflt) July 8, 2019 16 32 64 128 Thread 1 exc_bad_access (code=exc_i386_gpflt) Thread 1 exc_bad_access (code=exc_i386_gpflt) swift Thread 1 exc_bad_access (code=exc_i386_gpflt) xcode