[Bug tree-optimization/102631] -Wmaybe-uninitialized cannot see through a series of PHIs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102631

--- Comment #1 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
$ ./cc1 team.i -O2 -quiet -Wall
/home/aldyh/src/gcc/libgomp/team.c: In function ‘gomp_team_start’:
/home/aldyh/src/gcc/libgomp/team.c:315:34: warning: ‘start_data’ may be used
uninitialized in this function [-Wmaybe-uninitialized]
  315 |   struct gomp_thread_start_data *start_data = NULL;
      |                                  ^~~~~~~~~~