The file dawson.f90 from the numerical recipes library produces a segfault, in reduced form:
!-------------- <snip> ---------------------------- FUNCTION dawson_v(x) use nrutil IMPLICIT NONE REAL(SP), DIMENSION(:), INTENT(IN) :: x REAL(SP), DIMENSION(size(x)) :: dawson_v dawson_v=1.0 CONTAINS !BL FUNCTION dawsonseries_v(xin) IMPLICIT NONE REAL(SP) ::, DIMENSION(:), INTENT(IN) :: xin REAL(SP) ::, DIMENSION(size(xin)) :: dawsonseries_v dawsonseries_v=1.0 END FUNCTION dawsonseries_v END FUNCTION dawson_v !-------------- </snip> ---------------------------- > gfortran -v -c testcase_dawson.f90 gcc version 4.1.0 20050608 (experimental) /opt/libexec/gcc/i686-pc-linux-gnu/4.1.0/f951 testcase_dawson.f90 -quiet -dumpbase testcase_dawson.f90 -mtune=pentiumpro -auxbase testcase_dawson -version -o /tmp/ccgEwl8x.s GNU F95 version 4.1.0 20050608 (experimental) (i686-pc-linux-gnu) compiled by GNU C version 4.1.0 20050606 (experimental). GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 testcase_dawson.f90:2: internal compiler error: Segmentation fault -- Summary: ice-on-valid-code, segmentation fault Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: c dot lemmen at fz-juelich dot de CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21977