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=================================================================
==73792==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000eeac at pc 0x00010eb336dd bp 0x7fff510d7030 sp 0x7fff510d7028
READ of size 4 at 0x60200000eeac thread T0
    #0 0x10eb336dc in bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0::operator()() const (test6+0x10000b6dc)
    #1 0x10eb335fc in void std::__1::__invoke_void_return_wrapper<void>::__call<bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0&>(bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0&&&) (test6+0x10000b5fc)
    #2 0x10eb33458 in std::__1::__function::__func<bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0, std::__1::allocator<bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0>, void ()>::operator()() (test6+0x10000b458)
    #3 0x10eb2a7e2 in std::__1::function<void ()>::operator()() const (test6+0x1000027e2)
    #4 0x10eb2a520 in main (test6+0x100002520)
    #5 0x7fff9045d5ac in start (libdyld.dylib+0x35ac)

0x60200000eeac is located 4 bytes to the left of 12-byte region [0x60200000eeb0,0x60200000eebc)
freed by thread T0 here:
    #0 0x10eb91bbb in wrap__ZdlPv (libclang_rt.asan_osx_dynamic.dylib+0x57bbb)
    #1 0x10eb2ac57 in std::__1::__vector_base<int, std::__1::allocator<int> >::~__vector_base() (test6+0x100002c57)
    #2 0x10eb2a824 in std::__1::vector<int, std::__1::allocator<int> >::~vector() (test6+0x100002824)
    #3 0x10eb29bb4 in std::__1::vector<int, std::__1::allocator<int> >::~vector() (test6+0x100001bb4)
    #4 0x10eb29869 in bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&) (test6+0x100001869)
    #5 0x10eb2a02e in main (test6+0x10000202e)
    #6 0x7fff9045d5ac in start (libdyld.dylib+0x35ac)

previously allocated by thread T0 here:
    #0 0x10eb915fb in wrap__Znwm (libclang_rt.asan_osx_dynamic.dylib+0x575fb)
    #1 0x10eb2b25c in std::__1::vector<int, std::__1::allocator<int> >::allocate(unsigned long) (test6+0x10000325c)
    #2 0x10eb29356 in bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&) (test6+0x100001356)
    #3 0x10eb2a02e in main (test6+0x10000202e)
    #4 0x7fff9045d5ac in start (libdyld.dylib+0x35ac)

SUMMARY: AddressSanitizer: heap-buffer-overflow (test6+0x10000b6dc) in bugs(std::__1::vector<std::__1::function<void ()>, std::__1::allocator<std::__1::function<void ()> > >&)::$_0::operator()() const
Shadow bytes around the buggy address:
  0x1c0400001d80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001d90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001da0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001db0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001dc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x1c0400001dd0: fa fa fa fa fa[fa]fd fd fa fa 00 06 fa fa 00 00
  0x1c0400001de0: fa fa 00 04 fa fa 00 06 fa fa 00 fa fa fa fd fd
  0x1c0400001df0: fa fa fd fd fa fa 00 00 fa fa fd fd fa fa fd fa
  0x1c0400001e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1c0400001e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==73792==ABORTING
[1]    73792 abort      ./test6