[Bug tree-optimization/96108] Different behavior in DSE pass

[499537630 at qq dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96108

--- Comment #6 from Jolyon <499537630 at qq dot com> ---
I agree that we really can't do this in the test. GCC's inconsistencies with
this behavior are beyond the developers' consideration(the behavior of DSE
pass). I tried to initialize the structure and the results were the same. MAYBE
it should not be a compiler optimization problem.