[Bug c/63418] false positive with -Wmaybe-uninitialized

[kcc at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63418

--- Comment #1 from Kostya Serebryany <kcc at gcc dot gnu.org> ---
Created attachment 33626
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33626&action=edit
w1.c

attached the repro