https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83739
--- Comment #5 from Chris <bugzilla at cpockrandt dot de> --- (In reply to Chris from comment #4) > This is the intermediate file of the most simplified code that I came up > with that reproduces the error (1.9 MB) > > http://www.inf.fu-berlin.de/users/cpockrandt/test_find2_index_approx2.ii (In reply to Andrew Pinski from comment #3) > (In reply to Jonathan Wakely from comment #2) > > There's no way all that code is relevant to the problem. > > > > https://gcc.gnu.org/wiki/A_guide_to_testcase_reduction > > Note one method which is not mentioned here when there is a regression in > rejecting valid code is to test the older working compiler too. > > So a testing "bash" script (which returns 0 when the test should be accepted > but is not currently, and non zero otherwise) would look something like: > > if old-gcc $1; then > exit 1 > fi > > if gcc $1; then > exit 0 > fi > > exit 1 > ---- CUT --- > And then you use that with delta or otherwise. Thanks! I'll apply this for reducing the code at the end of the week when I got more time!
