Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==22895==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x56069187197d bp 0x7fff42988be0 sp 0x7fff42988bd0
WRITE of size 8 at 0x603000000070 thread T0
#0 0x56069187197c in Dlist<int>::insertBack(int*) (/out/package/dlist_mem+0x597c)
#1 0x560691871cfa in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x5cfa)
#2 0x560691871e4c in Dlist<int>::operator=(Dlist<int> const&) (/out/package/dlist_mem+0x5e4c)
#3 0x5606918706c7 in case5() (/out/package/dlist_mem+0x46c7)
#4 0x56069186e197 in main (/out/package/dlist_mem+0x2197)
#5 0x7f1834a84b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#6 0x56069186e599 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 0x7f18354d69c8 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.