Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==35391==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x556274b21f32 bp 0x7fff65122030 sp 0x7fff65122020
READ of size 8 at 0x603000000070 thread T0
#0 0x556274b21f31 in case6() (/out/package/dlist_mem+0x28f31)
#1 0x556274b15a71 in main (/out/package/dlist_mem+0x1ca71)
#2 0x7f7de0fa5b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x556274b16019 in _start (/out/package/dlist_mem+0x1d019)
0x603000000070 is located 0 bytes inside of 24-byte region [0x603000000070,0x603000000088)
freed by thread T0 here:
#0 0x7f7de27189c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x556274b1ffda in case6() (/out/package/dlist_mem+0x26fda)
previously allocated by thread T0 here:
#0 0x7f7de2717448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
#1 0x556274b1f8a8 in case6() (/out/package/dlist_mem+0x26
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.