Notes
This function is in beta test. Please help improve it in the issues
here.
ASAN:DEADLYSIGNAL
=================================================================
==5110==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x5574b06106fe bp 0x7ffd679afdc0 sp 0x7ffd679afda0 T0)
==5110==The signal is caused by a READ memory access.
==5110==Hint: address points to the zero page.
#0 0x5574b06106fd in Dlist<double>::removeBack() (/out/package/dlist_mem+0x56fd)
#1 0x5574b060d814 in case0() (/out/package/dlist_mem+0x2814)
#2 0x5574b060d197 in main (/out/package/dlist_mem+0x2197)
#3 0x7fb419585b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x5574b060d599 in _start (/out/package/dlist_mem+0x2599)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/dlist_mem+0x56fd) in Dlist<double>::removeBack()
==5110==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.