Notes
This function is in beta test. Please help improve it in the issues
here.
ASAN:DEADLYSIGNAL
=================================================================
==5127==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x56056fb016fe bp 0x7ffee8594890 sp 0x7ffee8594870 T0)
==5127==The signal is caused by a READ memory access.
==5127==Hint: address points to the zero page.
#0 0x56056fb016fd in Dlist<double>::removeBack() (/out/package/dlist_mem+0x56fd)
#1 0x56056fafe814 in case0() (/out/package/dlist_mem+0x2814)
#2 0x56056fafe197 in main (/out/package/dlist_mem+0x2197)
#3 0x7fde14d5ab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x56056fafe599 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()
==5127==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.