When compiling the following subroutine test.F: --- snip ---- SUBROUTINE BUG(ID,PARNAM)
IMPLICIT NONE C .. Scalar Arguments .. CHARACTER *8 PARNAM INTEGER ID C .. External Functions .. CHARACTER *8 PANAME EXTERNAL PANAME C PARNAM = PANAME(ID) C RETURN END --- snap ---- using gfortran -v -save-temps -fdefault-integer-8 -c test.F gives an internal compiler error: Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../../gcc-4.0.1/configure --prefix=/tmp2/denk/GCC4.0.1 --exec-p refix=/tmp2/denk/GCC4.0.1/LINUXAMD64 --enable-languages=c,c++,f95,java --with-gm p=/tmp2/denk/GCC4.0.1/LINUXAMD64 --with-mpfr=/tmp2/denk/GCC4.0.1 Thread model: posix gcc version 4.0.1 /share/kruemel/tmp2/denk/GCC4.0.1/LINUXAMD64/bin/../libexec/gcc/x86_64-unknown- linux-gnu/4.0.1/cc1 -E -traditional-cpp -D_LANGUAGE_FORTRAN -quiet -v -iprefix / share/kruemel/tmp2/denk/GCC4.0.1/LINUXAMD64/bin/../lib/gcc/x86_64-unknown-linux- gnu/4.0.1/ test.F -mtune=k8 -fdefault-integer-8 -fpch-preprocess -o test.f cc1: warning: command line option "-fdefault-integer-8" is valid for F95 but not for C ignoring nonexistent directory "/share/kruemel/tmp2/denk/GCC4.0.1/LINUXAMD64/bin /../lib/gcc/x86_64-unknown-linux-gnu/4.0.1/../../../../x86_64-unknown-linux-gnu/ include" ignoring duplicate directory "/tmp2/denk/GCC4.0.1/LINUXAMD64/lib/gcc/x86_64-unkn own-linux-gnu/4.0.1/include" ignoring nonexistent directory "/tmp2/denk/GCC4.0.1/LINUXAMD64/lib/gcc/x86_64-un known-linux-gnu/4.0.1/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /share/kruemel/tmp2/denk/GCC4.0.1/LINUXAMD64/bin/../lib/gcc/x86_64-unknown-linu x-gnu/4.0.1/include /usr/local/include /tmp2/denk/GCC4.0.1/include /usr/include End of search list. /share/kruemel/tmp2/denk/GCC4.0.1/LINUXAMD64/bin/../libexec/gcc/x86_64-unknown- linux-gnu/4.0.1/f951 test.f -ffixed-form -quiet -dumpbase test.F -mtune=k8 -auxb ase test -version -fdefault-integer-8 -o test.s GNU F95 version 4.0.1 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.0.1. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 test.F: In function 'bug': test.F:1: internal compiler error: in gfc_conv_string_tmp, at fortran/trans-expr .c:782 Removing the option -fdefault-integer-8 gives a sucessful compile. -- Summary: Internal compiler error with CHARACTER functions and - fdefault-integer-8 Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: georg dot denk at infineon dot com CC: gcc-bugs at gcc dot gnu dot org,georg dot denk at infineon dot com GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: Linux kruemel 2.4.21-32.0.1.ELsmp #1 SMP Tue Jun 7 12:33:30 MEST GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23323