Merge pull request #7 from Amanieu/fix-blockparam

Fix a bug when combining a `Reuse` with a tied operand

Fix constraint conflict of a blockparam at the start of a block

Properly test usage of blockparams in the first inst of a function

Include instruction number in checker error messages

Merge pull request #6 from bjorn3/less_deps

Re-enable inline-more feature of hashbrown

Remove unused bitflags dependency

Disable default features of hashbrown

Remove ordered-float dependency

Work around buggy clippy lint

Fix incomplete comment in union_find.rs

Fix clippy

Improve documentation

Merge branch 'empty'