[Bug ipa/70306] [5/6 Regression] wrong code at -O2 and -O3 in 32-bit and 64-bit mode on x86_64-linux-gnu [related to __attribute__((destructor)) and __attribute__((constructor))]

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70306

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu.org
          Component|c                           |ipa
      Known to work|                            |4.9.0
   Target Milestone|---                         |5.4
            Summary|wrong code at -O2 and -O3   |[5/6 Regression] wrong code
                   |in 32-bit and 64-bit mode   |at -O2 and -O3 in 32-bit
                   |on x86_64-linux-gnu         |and 64-bit mode on
                   |[related to                 |x86_64-linux-gnu [related
                   |__attribute__((destructor)) |to
                   |and                         |__attribute__((destructor))
                   |__attribute__((constructor) |and
                   |)]                          |__attribute__((constructor)
                   |                            |)]
      Known to fail|                            |5.1.0, 6.0

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Most likely IPA commoning pass is causing C to become an alias of A and D an
alias of B but not emmitting an extra constructor/deconstructor.