https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78252
Paul Brannan <curlypaul924 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |curlypaul924 at gmail dot com --- Comment #4 from Paul Brannan <curlypaul924 at gmail dot com> --- I can confirm Nathan's patch fixes the crash I was seeing with _ZSt7forwardIRZN3Foo3BarEvEUlRT_iE_EOS1_RNSt16remove_referenceIS1_E4typeE