$cat test.f90
program test
real :: foo
contains
function foo ()
end function foo
end program test
Gfortran passes it.
If add external attribute, we'll get ICE.
$cat test2.f90
program test
real, external :: foo
contains
function foo ()
end function foo
end program test
$gfortran test2.f90
test2.f90: In function âMAIN__â?
test2.f90:7: internal compiler error: in build_function_decl, at fortran/trans
-decl.c:1063
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
$gfortran -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc/configure --enable-languages=c,fortran
--prefix=/home/wf
/local : (reconfigured) ../gcc/configure --prefix=/home/wf/local
--enable-langua
ges=c,fortran --no-create --no-recursion : (reconfigured) ../gcc/configure
--pre
fix=/home/wf/local --enable-languages=c,fortran --no-create --no-recursion
Thread model: posix
gcc version 4.1.0 20051010 (experimental)
--
Summary: Does not detect duplicate symbol names in contains block
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, accepts-invalid
Severity: normal
Priority: P2
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: fengwang at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24327
