The following code produces the error message:
"internal compiler error: Segmentation fault"
"Please submit a full bug report"
PROGRAM main
c
c Simplified extract from legacy code which generated format
c statements
c
c Compiled with gfortran 4.0.1:
c Using built-in specs.
c Target: i586-pc-linux-gnu
c Configured with: ../gcc-4.0.1/configure --program-suffix=4
c --with-gnu-as --with-gnu-ld
c --enable-version-specific-runtime-libs --with-cpu=k6
c Thread model: posix
c gcc version 4.0.1
c
c
c - I presume it should work, using array element 1, or give
c a sensible error report
c PRINT AOUT(1), ... compiles and runs OK
c
CHARACTER*8 AOUT(2)
c
DATA AOUT(1),AOUT(2)/"(6X,4I5)","(4I7)"/
c
PRINT AOUT,1,2,3,4
c
STOP
END
This may be related to "Known Causes of Trouble with GNU Fortran"->"Missing
Features"->"Invalid FORMAT Specifiers". Usually the latter is a run time
problem, this is a complete compiler failure with no error message about the
cause.
Additional Information
======================
Output from 'f77 -v -save-temps debug.F': (f77 is my link)
f77 -v -save-temps debug.F
Driving: f77 -v -save-temps debug.F -lgfortranbegin -lgfortran -lm
-shared-libgcc
Using built-in specs.
Target: i586-pc-linux-gnu
Configured with: ../gcc-4.0.1/configure --program-suffix=4 --with-gnu-as
--with-gnu-ld --enable-version-specific-runtime-libs --with-cpu=k6
Thread model: posix
gcc version 4.0.1
/usr/local/libexec/gcc/i586-pc-linux-gnu/4.0.1/cc1 -E -traditional-cpp
-D_LANGUAGE_FORTRAN -quiet -v debug.F -mtune=k6 -fpch-preprocess -o debug.f
ignoring nonexistent directory "NONE/include"
ignoring nonexistent directory
"/usr/local/lib/gcc/i586-pc-linux-gnu/4.0.1/../../../../i586-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/include
/usr/local/lib/gcc/i586-pc-linux-gnu/4.0.1/include
/usr/include
End of search list.
/usr/local/libexec/gcc/i586-pc-linux-gnu/4.0.1/f951 debug.f -ffixed-form -quiet
-dumpbase debug.F -mtune=k6 -auxbase debug -version -o debug.s
GNU F95 version 4.0.1 (i586-pc-linux-gnu)
compiled by GNU C version 4.0.1.
GGC heuristics: --param ggc-min-expand=55 --param ggc-min-heapsize=48298
debug.F: In function MAIN__:
debug.F:23: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Contents of debug.s
.file "debug.f"
Contents of debug.f
# 1 "debug.F"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "debug.F"
PROGRAM main
c
c Simplified extract from legacy code which generated format
c statements
c
c Compiled with gfortran 4.0.1:
c Using built-in specs.
c Target: i586-pc-1-gnu
c Configured with: ../gcc-4.0.1/configure --program-suffix=4
c --with-gnu-as --with-gnu-ld
c --enable-version-specific-runtime-libs --with-cpu=k6
c Thread model: posix
c gcc version 4.0.1
c
c
c - I presume it should work or give a sensible error report
c PRINT AOUT(1), ... compiles and runs OK
c
CHARACTER*8 AOUT(2)
c
DATA AOUT(1),AOUT(2)/"(6X,4I5)","(4I7)"/
c
PRINT AOUT,1,2,3,4
c
STOP
END
--
Summary: Print format generates compiler segmentation fault
Product: gcc
Version: 4.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: David dot Webb at soc dot soton dot ac dot uk
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23638
