[Bug ipa/62051] [7/8/9/10 Regression] Undefined reference to vtable with -O2 and -fdevirtualize-speculatively

[postmas...@trippelsdorf-de.bounceio.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62051

--- Comment #21 from postmas...@trippelsdorf-de.bounceio.net ---
Created attachment 47243
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47243&action=edit
attachment-129899-1.eml