[Bug middle-end/120837] [12/13/14/15/16 regression] False-positive from -fsanitize=undefined

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120837

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|sanitizer                   |middle-end

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
4.7.1 did:
      <D.1721>:
      iftmp.0 = &MEM[(void *)&b + -8B];
      goto <D.1723>;
      <D.1722>:
      iftmp.0 = &MEM[(void *)&a + -8B];
      <D.1723>:

So where is this invalid reassociation is happening.