Notes
This function is in beta test. Please help improve it in the issues
here.
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==27264==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x55ae20f0297d bp 0x7fff31e58280 sp 0x7fff31e58270
WRITE of size 8 at 0x603000000070 thread T0
#0 0x55ae20f0297c in Dlist<int>::insertBack(int*) (/out/package/dlist_mem+0x597c)
#1 0x55ae20f02cfa in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x5cfa)
#2 0x55ae20f02e4c in Dlist<int>::operator=(Dlist<int> const&) (/out/package/dlist_mem+0x5e4c)
#3 0x55ae20f01e37 in case6() (/out/package/dlist_mem+0x4e37)
#4 0x55ae20eff197 in main (/out/package/dlist_mem+0x2197)
#5 0x7f619c49cb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#6 0x55ae20eff599 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 0x7f619ceee9c8 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.