[Bug fortran/25041] New: gfortran internal compiler error: Segmentation fault when compiling 'rksuite_90'

[haymaker at mail dot utexas dot edu]

The file 'rksuite_90.f90' from the archive 'rksuite_90.tar' from www.netlib.org
or  http://math.la.asu.edu/~eric/mat420/rksuite_90.tar produces an internal
compiler error:

$ gfortran41 -c rksuite_90.f90   
rksuite_90.f90: In function 'interpolate_r1':
rksuite_90.f90:2646: internal compiler error: Segmentation fault: 11
Please submit a full bug report,
with preprocessed source if appropriate.
See http://gcc.gnu.org/bugs.html> for instructions.

I found bug #22160 but I believe that this is a different problem. I can
compile the file mentioned in bug #22160 just fine.


-- 
   Summary: gfortran internal compiler error: Segmentation fault
when compiling 'rksuite_90'
   Product: gcc
   Version: 4.1.0
Status: UNCONFIRMED
  Severity: major
  Priority: P3
 Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
    ReportedBy: haymaker at mail dot utexas dot edu
  GCC host triplet: i386 FreeBSD 6.0
GCC target triplet: i386 FreeBSD 6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25041

[Bug fortran/25041] gfortran internal compiler error: Segmentation fault when compiling 'rksuite_90'

[haymaker at mail dot utexas dot edu]

--- Comment #3 from haymaker at mail dot utexas dot edu  2005-11-26 06:03 
---
(In reply to comment #1)
> How are you building this?  If I fix and run the make_rk script
> for all possibilities, I get a 16000+ line program.
> 

I built it with the "r1" option ($make_rk r1) for 1D array dependent variables.
Sorry for not being specific previously.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25041

[Bug fortran/43169] New: gfortran rejects pure procedure with select type construct

[haymaker at mail dot utexas dot edu]

The following code fails to compile with gcc version 4.5.0-pre 20100224
(experimental) rev. 157053. However, if lines 22, 23 and 27 (i.e. 'select
type(x)', 'class is (myType)', and 'end select') are removed it compiles fine
and the executable gives the expected output '2. 1.'.

Source compiled with ifort v. 11.1 behaves as expected with 'select type'
construct included. 

$ cat test.f90 && gfortran test.f90 
program testPure
implicit none
type :: myType
real :: a,b
end type myType
type(myType),target :: y
class(myType),pointer :: x

x=>y
x%a=1.
x%b=2.
call swap(x)
print *, x%a,x%b

contains

pure subroutine swap(x)
implicit none
class(myType), intent(inout) :: x
real :: work

select type(x)
class is (myType)
work=x%a
x%a=x%b
x%b=work
end select
end subroutine swap
end program testPure
test.f90:25.4:

x%a=x%b
1
Error: Cannot assign to variable 'tmp$class$mytype' in PURE procedure at (1)
test.f90:26.4:

x%b=work
1
Error: Cannot assign to variable 'tmp$class$mytype' in PURE procedure at (1)


Now with 'select type' construct removed


$ cat test.f90 && gfortran test.f90 && ./a.out   
--(Wed,Feb24)--
program testPure
implicit none
type :: myType
real :: a,b
end type myType
type(myType),target :: y
class(myType),pointer :: x

x=>y
x%a=1.
x%b=2.
call swap(x)
print *, x%a,x%b

contains

pure subroutine swap(x)
implicit none
class(myType), intent(inout) :: x
real :: work

work=x%a
x%a=x%b
x%b=work
end subroutine swap
end program testPure

   2.000   1.000


-
gcc configure options:
$ gcc -v
gcc -v  
Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.0-pre/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.5.0-pre/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-4.5.0_pre/work/gcc-4.5.0-/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.0-pre
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.0-pre/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.0-pre
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.0-pre/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.0-pre/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.0-pre/include/g++-v4
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--disable-fixed-point --with-ppl --with-cloog --enable-nls
--without-included-gettext --with-system-zlib --disable-checking
--disable-werror --enable-secureplt --enable-multilib --enable-libmudflap
--disable-libssp --enable-libgomp --enable-cld
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.5.0-pre/python
--disable-libgcj --enable-languages=c,c++,fortran --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo SVN'
--enable-lto --disable-checking
Thread model: posix
gcc version 4.5.0-pre 20100224 (experimental) rev. 157053 (Gentoo SVN)


-- 
   Summary: gfortran rejects pure procedure with select type
construct
   Product: gcc
   Version: unknown
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
     Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: haymaker at mail dot utexas dot edu
 GCC build triplet: x86_64-pc-linux-gnu
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43169