Automatically guard when SymInt is converted to int (#95479)
During enablement, we disabled int() conversions because they were
any easy way to footgun guards. We have enough of dynamic shapes
working now that this is now causing spurious errors; e.g., if you feed
a symbolic int to x.size(symint). We now allow for implicit conversions
of SymInt to int here, posting a guard. We expect guard provenance
to help people debug overspecialization.
Fixes https://github.com/pytorch/pytorch/issues/95328
Signed-off-by: Edward Z. Yang <ezyang@meta.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/95479
Approved by: https://github.com/wconstab, https://github.com/voznesenskym, https://github.com/ngimel
