[Bug middle-end/36369] [4.3/4.4 Regression] may_alias broken with previous uses of non attributed type in some cases

[jakub at gcc dot gnu dot org]

------- Comment #10 from jakub at gcc dot gnu dot org  2008-05-29 16:28 -------
Well, if it is done frequently, perhaps we should spent a bit on it.
Or, make sure types with may_alias attribute get TYPE_ALIAS_SET 0 and
make TYPE_REF_CAN_ALIAS_ALL all pointers that point to alias set 0 types.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36369