[Bug tree-optimization/93586] [10 Regression] wrong code at -O1 on x86_64-linux-gnu

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93586

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think this goes wrong during dce4, in sink it still looks correct, but dce4
removes the initializers:
   <bb 2> [local count: 28715882]:
   c[0][0] = "\x07";
-  c[0][1] = "";
-  c[0][2] = "\x05";
-  c[0][3] = "\x05";