Notes
This function is in beta test. Please help improve it in the issues
here.
/in/DlistImpl.h:59:5: runtime error: member access within null pointer of type 'const struct node'
ASAN:DEADLYSIGNAL
=================================================================
==18694==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x55fffad4724c bp 0x000000000000 sp 0x7ffedda5e750 T0)
==18694==The signal is caused by a READ memory access.
==18694==Hint: address points to the zero page.
#0 0x55fffad4724b in Dlist<double>::removeBack() (/out/package/dlist_mem+0x1724b)
#1 0x55fffad43d4d in case0() (/out/package/dlist_mem+0x13d4d)
#2 0x55fffad43531 in main (/out/package/dlist_mem+0x13531)
#3 0x7f6ef02cdb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x55fffad43ad9 in _start (/out/package/dlist_mem+0x13ad9)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/dlist_mem+0x1724b) in Dlist<double>::removeBack()
==18694==ABORTING
Hints
Your answer may be identical to the JOJ answer in the first several lines.
However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.
Please double check your code to solve this problem and try again.
Your Answer
JOJ Answer
Test success.