Notes
This function is in beta test. Please help improve it in the issues
here.
/in/DlistImpl.h:61:5: runtime error: member access within null pointer of type 'const struct node'
ASAN:DEADLYSIGNAL
=================================================================
==15952==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x55ffc9109c7c bp 0x000000000000 sp 0x7fffe67ad910 T0)
==15952==The signal is caused by a READ memory access.
==15952==Hint: address points to the zero page.
#0 0x55ffc9109c7b in Dlist<double>::removeBack() (/out/package/dlist_mem+0x17c7b)
#1 0x55ffc910691b in case0() (/out/package/dlist_mem+0x1491b)
#2 0x55ffc9105531 in main (/out/package/dlist_mem+0x13531)
#3 0x7fcc694e8b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x55ffc9105ad9 in _start (/out/package/dlist_mem+0x13ad9)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/dlist_mem+0x17c7b) in Dlist<double>::removeBack()
==15952==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.