neovim buffer overflow error

gistfile1.txt

% nvim
*** buffer overflow detected ***: nvim terminated
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x741cf)[0x7fea042751cf]
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7fea0430cb2c]
/lib/x86_64-linux-gnu/libc.so.6(+0x10a9f0)[0x7fea0430b9f0]
nvim(eval_init+0x5a)[0x4e3853]
nvim(main+0x80)[0x42b5bc]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7fea04222ec5]
nvim[0x42d21c]
======= Memory map: ========
00400000-005b0000 r-xp 00000000 08:05 3540693                            /home/me/.linuxbrew/Cellar/neovim/HEAD/bin/nvim
007af000-007b0000 r--p 001af000 08:05 3540693                            /home/me/.linuxbrew/Cellar/neovim/HEAD/bin/nvim
007b0000-007c3000 rw-p 001b0000 08:05 3540693                            /home/me/.linuxbrew/Cellar/neovim/HEAD/bin/nvim
007c3000-007cf000 rw-p 00000000 00:00 0 
016d3000-016f4000 rw-p 00000000 00:00 0                                  [heap]
7fea03feb000-7fea04001000 r-xp 00000000 08:05 1048622                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7fea04001000-7fea04200000 ---p 00016000 08:05 1048622                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7fea04200000-7fea04201000 rw-p 00015000 08:05 1048622                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7fea04201000-7fea043bd000 r-xp 00000000 08:05 1048603                    /lib/x86_64-linux-gnu/libc-2.19.so
7fea043bd000-7fea045bc000 ---p 001bc000 08:05 1048603                    /lib/x86_64-linux-gnu/libc-2.19.so
7fea045bc000-7fea045c0000 r--p 001bb000 08:05 1048603                    /lib/x86_64-linux-gnu/libc-2.19.so
7fea045c0000-7fea045c2000 rw-p 001bf000 08:05 1048603                    /lib/x86_64-linux-gnu/libc-2.19.so
7fea045c2000-7fea045c7000 rw-p 00000000 00:00 0 
7fea045c7000-7fea045e0000 r-xp 00000000 08:05 1048619                    /lib/x86_64-linux-gnu/libpthread-2.19.so
7fea045e0000-7fea047df000 ---p 00019000 08:05 1048619                    /lib/x86_64-linux-gnu/libpthread-2.19.so
7fea047df000-7fea047e0000 r--p 00018000 08:05 1048619                    /lib/x86_64-linux-gnu/libpthread-2.19.so
7fea047e0000-7fea047e1000 rw-p 00019000 08:05 1048619                    /lib/x86_64-linux-gnu/libpthread-2.19.so
7fea047e1000-7fea047e5000 rw-p 00000000 00:00 0 
7fea047e5000-7fea048ea000 r-xp 00000000 08:05 1048606                    /lib/x86_64-linux-gnu/libm-2.19.so
7fea048ea000-7fea04ae9000 ---p 00105000 08:05 1048606                    /lib/x86_64-linux-gnu/libm-2.19.so
7fea04ae9000-7fea04aea000 r--p 00104000 08:05 1048606                    /lib/x86_64-linux-gnu/libm-2.19.so
7fea04aea000-7fea04aeb000 rw-p 00105000 08:05 1048606                    /lib/x86_64-linux-gnu/libm-2.19.so
7fea04aeb000-7fea04af2000 r-xp 00000000 08:05 1048620                    /lib/x86_64-linux-gnu/librt-2.19.so
7fea04af2000-7fea04cf1000 ---p 00007000 08:05 1048620                    /lib/x86_64-linux-gnu/librt-2.19.so
7fea04cf1000-7fea04cf2000 r--p 00006000 08:05 1048620                    /lib/x86_64-linux-gnu/librt-2.19.so
7fea04cf2000-7fea04cf3000 rw-p 00007000 08:05 1048620                    /lib/x86_64-linux-gnu/librt-2.19.so
7fea04cf3000-7fea04d18000 r-xp 00000000 08:05 1048679                    /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fea04d18000-7fea04f17000 ---p 00025000 08:05 1048679                    /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fea04f17000-7fea04f1b000 r--p 00024000 08:05 1048679                    /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fea04f1b000-7fea04f1c000 rw-p 00028000 08:05 1048679                    /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fea04f1c000-7fea04f3f000 r-xp 00000000 08:05 1048600                    /lib/x86_64-linux-gnu/ld-2.19.so
7fea0511a000-7fea0511e000 rw-p 00000000 00:00 0 
7fea0513b000-7fea0513e000 rw-p 00000000 00:00 0 
7fea0513e000-7fea0513f000 r--p 00022000 08:05 1048600                    /lib/x86_64-linux-gnu/ld-2.19.so
7fea0513f000-7fea05140000 rw-p 00023000 08:05 1048600                    /lib/x86_64-linux-gnu/ld-2.19.so
7fea05140000-7fea05141000 rw-p 00000000 00:00 0 
7fffda16c000-7fffda18e000 rw-p 00000000 00:00 0                          [stack]
7fffda1fe000-7fffda200000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
Aborted (core dumped)