[Bug tree-optimization/71691] [6/7 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (Floating point exception)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71691

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The testcase looks invalid to me.
In the second iteration of the outermost loop, l = 1, g = 0, so it compares
uninitialized h with 7.