https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63733
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-11-16 Known to work| |4.7.4 Summary|[OOP] wrong resolution for |[4.8/4.9/5 Regression] |OPERATOR generics |[OOP] wrong resolution for | |OPERATOR generics Ever confirmed|0 |1 Known to fail| |4.8.3, 4.9.2, 5.0 --- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Assuming that the gurus' all agree that answer should be sum_parent sum_child sum_child I confirm this PR as a regression. The related history is pretty chaotic: [macbook] f90/bug% /opt/gcc/gcc4.8p-187200/bin/gfortran pr63733.f90 [macbook] f90/bug% a.out sum_parent sum_parent sum_child [macbook] f90/bug% /opt/gcc/gcc4.8p-187291/bin/gfortran pr63733.f90 [macbook] f90/bug% a.out sum_parent sum_child sum_child likely r187226 (pr53255), back ported to 4.7 as r187232. [macbook] f90/bug% /opt/gcc/gcc4.8p-188694/bin/gfortran pr63733.f90 [macbook] f90/bug% a.out sum_parent sum_child sum_child [macbook] f90/bug% /opt/gcc/gcc4.8p-189336/bin/gfortran pr63733.f90 pr63733.f90:7.32: generic :: operator(+) => sum 1 Error: Entity 'sum_parent' at (1) is already present in the interface pr63733.f90:35.6: use overwrite 1 Fatal Error: Can't open module file 'overwrite.mod' for reading at (1): No such file or directory likely r189022 (pr49591). [macbook] f90/bug% /opt/gcc/gcc4.8a-195701/bin/gfortran pr63733.f90 pr63733.f90:7.32: generic :: operator(+) => sum 1 Error: Entity 'sum_parent' at (1) is already present in the interface pr63733.f90:35.6: use overwrite 1 Fatal Error: Can't open module file 'overwrite.mod' for reading at (1): No such file or directory [macbook] f90/bug% /opt/gcc/gcc4.8p-195731/bin/gfortran pr63733.f90 [macbook] f90/bug% a.out sum_parent sum_parent sum_child likely r195729 (pr54195).