https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79265

Franz Sirl <sirl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-04-05
            Summary|-fsanitize=undefined        |[7 regression]
                   |inserts unnecessary null    |-fsanitize=undefined
                   |pointer tests               |inserts unnecessary null
                   |                            |pointer tests
     Ever confirmed|0                           |1

--- Comment #3 from Franz Sirl <sirl at gcc dot gnu.org> ---
Code that used to compile warning-free with "gcc-6 -Wall -fsanitize=undefined"
now throws a warning with current gcc-7.0.1.

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