[Bug middle-end/93764] [10 Regression] lzo 2.10 test suite fails with -O2 and -O3

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Feb 17 12:40:00 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93764

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

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

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
r &= ((* (unsigned long *) p) == 128);

this one misses the may-alias type.  You can't read a char * stored value
via a unsigned long *


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