https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66562
Bug ID: 66562 Summary: ICE with gfortran-5.1.0 Product: gcc Version: 5.1.0 Status: UNCONFIRMED Severity: blocker Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: Daniel.Kokron at nasa dot gov Target Milestone: --- Freshly compiled gcc-5.1.0 using gmp-6.0.0, mpfr-3.1.2 and mpc-1.0.3 give an ICE. The system is SLES11 sp3. All of the above were compiled using gcc (SUSE Linux) 4.3.4 [gcc-4_3-branch revision 152973 ldd /nobackupnfs2/xxxx/Projects/GCC/gcc-5.1.0/install/libexec/gcc/x86_64-unknown-linux-gnu/5.1.0/f951 linux-vdso.so.1 => (0x00007ffe3fffe000) libmpc.so.3 => /u/xxxx/play/MPC/mpc-1.0.3/install/lib/libmpc.so.3 (0x00007ffe3fde5000) libmpfr.so.4 => /u/xxxx/play/MPFR/mpfr-3.1.2/install/lib/libmpfr.so.4 (0x00007ffe3fb87000) libgmp.so.10 => /u/xxxx/play/GMP/gmp-6.0.0/install/lib/libgmp.so.10 (0x00007ffe3f910000) libdl.so.2 => /lib64/libdl.so.2 (0x00007ffe3f6ca000) libm.so.6 => /lib64/libm.so.6 (0x00007ffe3f450000) libc.so.6 => /lib64/libc.so.6 (0x00007ffe3f0d4000) /lib64/ld-linux-x86-64.so.2 (0x0000555555554000) cat StringClass.f03 module StringClass ! gfortran -fPIC -Wall -ffree-form -O0 -m64 -c StringClass.f03 implicit none private public :: String type :: String private integer, private :: intMaxLength = 0 character(len=:), allocatable :: strCharacters contains procedure, public, pass(this) :: Countem end type String contains function Countem (this, dmy_strDelims, dmy_blnIgnoreCase) result (intCount) implicit none class(String), intent(inout) :: this character (len=*), optional, intent (in) :: dmy_strDelims logical (kind=1), optional, intent (in) :: dmy_blnIgnoreCase integer (kind=4) :: intCount integer (kind=4) :: intScanPos intScanPos = SCAN (this%strCharacters(1:), dmy_strDelims) end function Countem end module StringClass which gfortran /nobackupnfs2/xxxx/Projects/GCC/gcc-5.1.0/install/bin/gfortran 661> gfortran -fPIC -cpp -Wall -ffree-form -O2 -m64 -c StringClass.f03 f951: internal compiler error: Segmentation fault 0xa7af5f crash_signal ../.././gcc/toplev.c:383 0x6389fe gfc_copy_shape(__mpz_struct (*) [1], int) ../.././gcc/fortran/expr.c:708 0x638aa5 gfc_copy_expr(gfc_expr*) ../.././gcc/fortran/expr.c:393 0x6926f7 gfc_resolve_substring_charlen(gfc_expr*) ../.././gcc/fortran/resolve.c:4580 0x6900e5 gfc_resolve_expr(gfc_expr*) ../.././gcc/fortran/resolve.c:6260 0x6928f3 resolve_actual_arglist ../.././gcc/fortran/resolve.c:1930 0x690019 resolve_function ../.././gcc/fortran/resolve.c:2947 0x690019 gfc_resolve_expr(gfc_expr*) ../.././gcc/fortran/resolve.c:6254 0x696a4c gfc_resolve_code(gfc_code*, gfc_namespace*) ../.././gcc/fortran/resolve.c:10095 0x6993e2 resolve_codes ../.././gcc/fortran/resolve.c:15055 0x6992e7 resolve_codes ../.././gcc/fortran/resolve.c:15040 0x6994c2 gfc_resolve(gfc_namespace*) ../.././gcc/fortran/resolve.c:15083 0x684df6 gfc_parse_file() ../.././gcc/fortran/parse.c:5477 0x6c43f5 gfc_be_parse_file ../.././gcc/fortran/f95-lang.c:228 Please submit a full bug report, with preprocessed source if appropriate.