https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39121

joe.carnuccio at qlogic dot com changed:

           What    |Removed                     |Added
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                 CC|                            |joe.carnuccio at qlogic dot com

--- Comment #4 from joe.carnuccio at qlogic dot com ---
I have found the following:

This works: c ^= d ^= c ^= d  (where c and d are not pointers)

This fails: *a ^= *b ^= *a ^= *b  (where a and b are pointers)

When compiling using -Os then the failed case now works.

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