http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59997
Bug ID: 59997
Summary: c_pointer = c_loc(...) internal compiler error
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: chrisonian at gmail dot com
The following program cannot compile with gfortran 4.8.1:
gfortran gfortran_c_ptr_bug.f90
gfortran_c_ptr_bug.f90:14:0: internal compiler error: Segmentation fault
c_string_ptr = c_loc(X%c_line)
^
Changing X%c_line to X%c_line(1) removes the error.
-----gfortran_c_ptr_bug.f90-------
program test
use iso_c_binding
implicit none
type scratch
character(c_char) :: c_line(2)
end type
type(scratch), target :: X
type(c_ptr) :: c_string_ptr
character(1) :: line
line = 'a'
X%c_line(1) = line
X%c_line(2) = c_null_char
c_string_ptr = c_loc(X%c_line)
end program
----------------------------------
gfortran -v -save-temps gfortran_c_ptr_bug.f90
Driving: gfortran -v -save-temps gfortran_c_ptr_bug.f90 -l gfortran -l m
-shared-libgcc
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/nfs/cms/sw/install/slc6_amd64_gcc481/external/gcc/4.8.1/bin/../libexec/gcc/x86_64-redhat-linux-gnu/4.8.1/lto-wrapper
Target: x86_64-redhat-linux-gnu
Configured with: ../configure
--prefix=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--disable-multilib --disable-nls --with-zlib=no
--enable-languages=c,c++,fortran --enable-gold=yes --enable-ld=default
--enable-lto
--with-gmp=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--with-mpfr=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--with-mpc=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--with-isl=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--with-cloog=/build/davidlt/build-BOOTSTRAP_slc6_amd64_gcc481/b/tmp/BUILDROOT/e55a93caf1185342d60da645a6c0626d/opt/cmssw/slc6_amd64_gcc481/external/gcc/4.8.1
--enable-checking=release --build=x86_64-redhat-linux-gnu
--host=x86_64-redhat-linux-gnu --enable-libstdcxx-time=rt --enable-shared
CC='gcc -fPIC' CXX='c++ -fPIC' CPP=cpp CXXCPP='c++ -E'
Thread model: posix
gcc version 4.8.1 (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/nfs/cms/sw/install/slc6_amd64_gcc481/external/gcc/4.8.1/bin/../libexec/gcc/x86_64-redhat-linux-gnu/4.8.1/f951
gfortran_c_ptr_bug.f90 -quiet -dumpbase gfortran_c_ptr_bug.f90 -mtune=generic
-march=x86-64 -auxbase gfortran_c_ptr_bug -version -fintrinsic-modules-path
/nfs/cms/sw/install/slc6_amd64_gcc481/external/gcc/4.8.1/bin/../lib/gcc/x86_64-redhat-linux-gnu/4.8.1/finclude
-o gfortran_c_ptr_bug.s
GNU Fortran (GCC) version 4.8.1 (x86_64-redhat-linux-gnu)
compiled by GNU C version 4.8.1, GMP version 5.1.0, MPFR version 3.1.1, MPC
version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU Fortran (GCC) version 4.8.1 (x86_64-redhat-linux-gnu)
compiled by GNU C version 4.8.1, GMP version 5.1.0, MPFR version 3.1.1, MPC
version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
gfortran_c_ptr_bug.f90: In function 'test':
gfortran_c_ptr_bug.f90:14:0: internal compiler error: Segmentation fault
c_string_ptr = c_loc(X%c_line)
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
