https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68771
--- Comment #26 from Daniel Vollmer <zerolo at gmail dot com> --- (In reply to Iain Sandoe from comment #25) > (In reply to Daniel Vollmer from comment #24) > > (In reply to Iain Sandoe from comment #23) > > > > > My freshly-built 7.4 (bootstrapped with 10.1 xc effectively) doesn't > > > reproduce it, neither do any other branches I have lying around - so we're > > > not there yet. > > > > > > I take it that the full code does fail with 8.3? > > > > The full example fails with both the homebrew built 8.3, but also the > > freshly compiled (on 10.14.4) 7.4.0, so I guess my smaller example is not > > (as) representative as I'd hoped. > > Sadly, without a reproducer, it's hard to make progress - possibly more > complex control flow is needed - multiple function? I've tried but not managed a simple reproducer yet. The "real" code definitely has more complex control flow, but is also in a shared-library that is in turn exposed / used by a Python extension.