Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==27268==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x5571c59a997d bp 0x7ffe51463970 sp 0x7ffe51463960
WRITE of size 8 at 0x603000000070 thread T0
#0 0x5571c59a997c in Dlist<int>::insertBack(int*) (/out/package/dlist_mem+0x597c)
#1 0x5571c59a9cfa in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x5cfa)
#2 0x5571c59a9e4c in Dlist<int>::operator=(Dlist<int> const&) (/out/package/dlist_mem+0x5e4c)
#3 0x5571c59a86c7 in case5() (/out/package/dlist_mem+0x46c7)
#4 0x5571c59a6197 in main (/out/package/dlist_mem+0x2197)
#5 0x7f621a774b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#6 0x5571c59a6599 in _start (/out/package/dlist_mem+0x2599)
0x603000000070 is located 0 bytes inside of 24-byte region [0x603000000070,0x603000000088)
freed by thread T0 here:
#0 0x7f621b1c69c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0
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.