[Bug tree-optimization/102892] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs 11.2.0)

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102892

--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
This is an invalid test.  The variable "a" is being used before being set.  I
think we should actually remove the test from the testsuite.