------- Comment #52 from rguenth at gcc dot gnu dot org 2008-03-28 22:58 ------- I'm now testing a variant of the patch that fixes fold_sign_changed_comparison and just initializes incoming parameter value-ranges based on their types. This seems to do the same range-check removals and looks like an overall sane change.
I assume when inlining we will see the range check that assures the function parameters are in-range, right? So even for that case we should be able to do the same simplifications. Can you cook up a testcase that shows this case? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30911
