Language
C++
Compiler
gcc HEAD 9.0.0 20180808 (experimental)
Options
Warnings
Don't Use Boost
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -std=gnu++2a *** Error in `./prog.exe': munmap_chunk(): invalid pointer: 0x0000000000604490 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f45ab8887e5]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x1a8)[0x7f45ab895698]
./prog.exe[0x402cf4]
./prog.exe[0x402b0f]
./prog.exe(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE10_M_destroyEm+0x44)[0x402976]
./prog.exe(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE10_M_disposeEv+0x36)[0x402794]
./prog.exe(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev+0x18)[0x402662]
./prog.exe[0x4018a5]
/lib/x86_64-linux-gnu/libc.so.6(+0x39ff8)[0x7f45ab84aff8]
/lib/x86_64-linux-gnu/libc.so.6(+0x3a045)[0x7f45ab84b045]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf7)[0x7f45ab831837]
./prog.exe[0x401699]
======= Memory map: ========
00400000-00404000 r-xp 00000000 fd:03 7499550 /home/jail/prog.exe
00604000-00605000 rw-p 00004000 fd:03 7499550 /home/jail/prog.exe
00bb1000-00be3000 rw-p 00000000 00:00 0 [heap]
7f45ab811000-7f45ab9d1000 r-xp 00000000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f45ab9d1000-7f45abbd1000 ---p 001c0000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f45abbd1000-7f45abbd5000 r--p 001c0000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f45abbd5000-7f45abbd7000 rw-p 001c4000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f45abbd7000-7f45abbdb000 rw-p 00000000 00:00 0
7f45abbdb000-7f45abbf1000 r-xp 00000000 fd:03 1844676 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f45abbf1000-7f45abdf1000 ---p 00016000 fd:03 1844676 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f45abdf1000-7f45abdf2000 rw-p 00016000 fd:03 1844676 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f45abdf2000-7f45abefa000 r-xp 00000000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f45abefa000-7f45ac0f9000 ---p 00108000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f45ac0f9000-7f45ac0fa000 r--p 00107000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f45ac0fa000-7f45ac0fb000 rw-p 00108000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f45ac0fb000-7f45ac273000 r-xp 00000000 fd:03 1844700 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f45ac273000-7f45ac473000 ---p 00178000 fd:03 1844700 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f45ac473000-7f45ac47d000 r--p 00178000 fd:03 1844700 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f45ac47d000-7f45ac47f000 rw-p 00182000 fd:03 1844700 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f45ac47f000-7f45ac483000 rw-p 00000000
u 19 94
p 2 3
q 88 3
t 98 90
w 98 93
w 83 25
x 6 16
w 6 79
g 1 71
b 76 61
00:00 0
7f45ac483000-7f45ac49b000 r-xp 00000000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f45ac49b000-7f45ac69a000 ---p 00018000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f45ac69a000-7f45ac69b000 r--p 00017000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f45ac69b000-7f45ac69c000 rw-p 00018000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f45ac69c000-7f45ac6a0000 rw-p 00000000 00:00 0
7f45ac6a0000-7f45ac6c6000 r-xp 00000000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f45ac8b9000-7f45ac8bf000 rw-p 00000000 00:00 0
7f45ac8c4000-7f45ac8c5000 rw-p 00000000 00:00 0
7f45ac8c5000-7f45ac8c6000 r--p 00025000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f45ac8c6000-7f45ac8c7000 rw-p 00026000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f45ac8c7000-7f45ac8c8000 rw-p 00000000 00:00 0
7fffc392a000-7fffc394b000 rw-p 00000000 00:00 0 [stack]
7fffc39e0000-7fffc39e3000 r--p 00000000 00:00 0 [vvar]
7fffc39e3000-7fffc39e5000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Signal:
Aborted