[Bug rtl-optimization/23561] nonoverlapping_memrefs_p returns true even for overlapping memory references
jakub at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Thu Aug 25 15:53:00 GMT 2005
------- Additional Comments From jakub at gcc dot gnu dot org 2005-08-25 15:47 -------
> That is invalid as a.a2 is only 5 in size and "HELLO" is 6 in size.
I know it overlaps into the next field. Whether it is invalid is unclear to me.
How about memcpy ((char *) &a + offsetof (struct A, a2), "HELLO", 6)?
Is there supposed to be any semantic difference between the 2?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23561
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