https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66468
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |trippels at gcc dot gnu.org --- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- The testcase is invalid: markus@x4 testc % g++ -r -nostdlib a.ii c.ii e.ii -g -O2 -flto a.ii:21:8: warning: ‘Run’ violates the C++ One Definition Rule [-Wodr] void Run (Point &) const; ^ e.ii:25:1: note: return value type mismatch Optimizer::Run (Point &) const ^ e.ii:25:1: note: type ‘float’ should match type ‘void’ e.ii:25:1: note: ‘Run’ was previously declared here e.ii: In member function ‘__base_dtor ’: e.ii:28:1: internal compiler error: in check_die, at dwarf2out.c:5712 } ^