compiler/simplify_proc.m:
Update the list of predicates that can be introduced by the simplification
pass to include those from the uint, int{8,16,32,64} and uint{8,16,32,64}
modules. (The list not being up-to-date was the cause of bug #455.)
tests/hard_coded/Mmakefile:
tests/hard_coded/Mercury.options.m:
tests/hard_coded/bug455_mod_a.m:
tests/hard_coded/bug455_mod_b.m:
tests/hard_coded/bug455_mod_a.exp:
Add a regression test for the above issue.