StacktraceTop: __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f479d8c2fb8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 malloc_printerr (ar_ptr=0x0, ptr=<optimized out>, str=0x7f479d8c2fe0 "munmap_chunk(): invalid pointer", action=<optimized out>) at malloc.c:5007 munmap_chunk (p=<optimized out>) at malloc.c:2843 __GI___libc_free (mem=<optimized out>) at malloc.c:2964 operator delete (ptr=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/del_op.cc:46
StacktraceTop: do_abort@ entry=2, fmt=fmt@ entry=0x7f479d8 c2fb8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/ posix/libc_ fatal.c: 175 ./../src/ libstdc+ +-v3/libsupc+ +/del_op. cc:46
__libc_message (do_abort=
malloc_printerr (ar_ptr=0x0, ptr=<optimized out>, str=0x7f479d8c2fe0 "munmap_chunk(): invalid pointer", action=<optimized out>) at malloc.c:5007
munmap_chunk (p=<optimized out>) at malloc.c:2843
__GI___libc_free (mem=<optimized out>) at malloc.c:2964
operator delete (ptr=<optimized out>) at ../../.