[Bug c++/58822] Segfault when calling make_shared

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58822

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #28 from Jonathan Wakely <redi at gcc dot gnu.org> ---
If you compile it with -fsanitize=undefined then at runtime you get:

/usr/include/c++/4.8/ext/new_allocator.h:120:4: runtime error: cast to virtual
base of address 0x0000013d1ca0 which does not point to an object of type
'InvalidArgumentException'
0x0000013d1ca0: note: object has invalid vptr
 00 00 00 00  00 00 00 00 00 00 00 00  31 00 00 00 00 00 00 00  06 00 00 00 00
00 00 00  06 00 00 00
              ^~~~~~~~~~~~~~~~~~~~~~~
              invalid vptr