[Bug tree-optimization/79472] [7 Regression] x86-64: Switch table generation fails if default case has different code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79472

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
We can indeed ignore what the default: case does, but only if all the other
case labels form a contiguous range (i.e. there are no gaps in which the
default would need to be supplied).