[Bug c/65244] Bogus -Wmaybe-uninitialized warning with posix_memalign() and -Og

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65244

--- Comment #8 from howarth at bromo dot med.uc.edu ---
I wonder if this is the same issue as
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63748 which was fixed in trunk by
r217317...

2014-11-10  Patrick Palka  <ppalka@gcc.gnu.org>

gcc/
    PR middle-end/63748
    * tree-ssa-propagate.c (may_propagate_copy): Allow propagating
    SSA copies whose source and destination names both occur in
    abnormal PHIs.

gcc/testsuite/
    PR middle-end/63748
    * gcc.dg/pr63748.c: New testcase.

but never back ported to gcc-4_9-branch.