Notes
This function is in beta test. Please help improve it in the issues
here.
/in/DlistImpl.h:76:5: runtime error: member access within null pointer of type 'struct node'
ASAN:DEADLYSIGNAL
=================================================================
==19109==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55fc3ae34c41 bp 0x603000000040 sp 0x7ffcdf400ac0 T0)
==19109==The signal is caused by a WRITE memory access.
==19109==Hint: address points to the zero page.
#0 0x55fc3ae34c40 in Dlist<double>::removeBack() (/out/package/dlist_mem+0x17c40)
#1 0x55fc3ae31408 in case0() (/out/package/dlist_mem+0x14408)
#2 0x55fc3ae30bc1 in main (/out/package/dlist_mem+0x13bc1)
#3 0x7f9416c02b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x55fc3ae31169 in _start (/out/package/dlist_mem+0x14169)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/dlist_mem+0x17c40) in Dlist<double>::removeBack()
==19109==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.