[Bug middle-end/66661] incorrect memory access in optimization with flexible array member

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jun 25 07:54:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66661

Richard Biener <rguenth at gcc dot gnu.org> changed:

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

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Yes, consider

struct X { int n; char x[1]; };

which has sizeof(X) == 8 unless you use __attribute__((packed)) (in which case
alignment also gets dropped down to 1).



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