https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59024
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > The change of behavior occurred between revisions r214073 (2014-08-17, ICE) > and r214113 (2014-08-18, error). A candidate could be r214076, > but I don't see why. This seems to depend on the mood of my machine: [Book15] f90/bug% /opt/gcc/gcc4.10p-214113/bin/gfortran pr59024.f90 gfortran: warning: couldn't understand kern.osversion '14.1.0 pr59024.f90:6.6: TYPE tc 1 Error: Syntax error in PUBLIC statement at (1) pr59024.f90:7.5: END TYPE tc 1 Error: Expecting END MODULE statement at (1) pr59024.f90:15.12: TYPE(tc) t 1 Error: Derived type 'tc' at (1) is being used before it is defined f951: internal compiler error: Segmentation fault: 11 f951: internal compiler error: Abort trap: 6 gfortran: internal compiler error: Abort trap: 6 (program f951) Abort [Book15] f90/bug% /opt/gcc/gcc4.10p-214113/bin/gfortran pr59024.f90 gfortran: warning: couldn't understand kern.osversion '14.1.0 pr59024.f90:6.6: TYPE tc 1 Error: Syntax error in PUBLIC statement at (1) pr59024.f90:7.5: END TYPE tc 1 Error: Expecting END MODULE statement at (1) pr59024.f90:15.12: TYPE(tc) t 1 Error: Derived type 'tc' at (1) is being used before it is defined pr59024.f90:17.14: END MODULE mtc 1 Error: Procedure 'C_PTR_1' in generic interface 'tc' at (1) is neither function nor subroutine [Book15] f90/bug% /opt/gcc/gcc4.10p-214073/bin/gfortran pr59024.f90 gfortran: warning: couldn't understand kern.osversion '14.1.0 pr59024.f90:6.6: TYPE tc 1 Error: Syntax error in PUBLIC statement at (1) pr59024.f90:7.5: END TYPE tc 1 Error: Expecting END MODULE statement at (1) pr59024.f90:15.12: TYPE(tc) t 1 Error: Derived type 'tc' at (1) is being used before it is defined pr59024.f90:17.14: END MODULE mtc 1 Error: Procedure 'C_PTR_1' in generic interface 'tc' at (1) is neither function nor subroutine So the bisection is not accurate, probably for the same reason as for pr59016.