v2.1 crash on ios7 iphone5c

[MRsummer]

Looking up address: 0x000000000007bdfb in .debug_info... found!

0x00185749: Compile Unit: length = 0x0000429b version = 0x0002 abbr_offset = 0x00000000 addr_size = 0x04 (next CU at 0x001899e8)

0x00185754: TAG_compile_unit [133] *
AT_producer( "Apple LLVM version 7.3.0 (clang-703.0.29)" )
AT_language( DW_LANG_ObjC )
AT_name( "/Users/zhuguangwen/Work/IOS/SnakeGameSingle/Pods/UICKeyChainStore/Lib/UICKeyChainStore/UICKeyChainStore.m" )
AT_stmt_list( 0x0004e2e4 )
AT_comp_dir( "/Users/zhuguangwen/Work/IOS/SnakeGameSingle/Pods" )
AT_APPLE_optimized( 0x01 )
AT_APPLE_major_runtime_vers( 0x02 )
AT_low_pc( 0x00077780 )
AT_high_pc( 0x0007c9f4 )

0x00188ea9: TAG_subprogram [212] *
AT_low_pc( 0x0007bdc0 )
AT_high_pc( 0x0007c190 )
AT_frame_base( r7 )
AT_object_pointer( {0x00188ec7} )
AT_name( "-[UICKeyChainStore attributesWithKey:value:error:]" )
AT_decl_file( "/Users/zhuguangwen/Work/IOS/SnakeGameSingle/Pods/UICKeyChainStore/Lib/UICKeyChainStore/UICKeyChainStore.m" )
AT_decl_line( 1155 )
AT_prototyped( 0x01 )
AT_type( {0x00189535} ( NSMutableDictionary* ) )
AT_APPLE_optimized( 0x01 )
AT_APPLE_isa( 0x01 )
Line table dir : '/Users/zhuguangwen/Work/IOS/SnakeGameSingle/Pods/UICKeyChainStore/Lib/UICKeyChainStore'
Line table file: 'UICKeyChainStore.m' line 1160, column 20 with start address 0x000000000007bdf8

Looking up address: 0x000000000007bdfb in .debug_frame... found!

0x0000d090: FDE
length: 0x0000000c
CIE_pointer: 0x00000000
start_addr: 0x0007bdc0 -[UICKeyChainStore attributesWithKey:value:error:]
range_size: 0x000003d0 (end_addr = 0x0007c190)
Instructions: 0x0007bdc0: CFA=sp