http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56969
Bug #: 56969
Summary: ISO_C_BINDING regression with current trunk
Classification: Unclassified
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: sfilipp...@uniroma2.it
Created attachment 29876
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29876
test case
Hi,
Attached code works with 4.8, fails with trunk.
Salvatore
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[sfilippo@jacobi BugCBind]$ gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/usr/local/gnu48/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.8.0/configure --prefix=/usr/local/gnu48
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc
Thread model: posix
gcc version 4.8.0 (GCC)
[sfilippo@jacobi BugCBind]$ gfortran -c tst_cbind.f90
[sfilippo@jacobi BugCBind]$
------------------------------------------------------------
[sfilippo@jacobi BugCBind]$ gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/usr/local/gnu49/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure --prefix=/usr/local/gnu49
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc :
(reconfigured) ../gcc/configure --prefix=/usr/local/gnu49
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc :
(reconfigured) ../gcc/configure --prefix=/usr/local/gnu49
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc :
(reconfigured) ../gcc/configure --prefix=/usr/local/gnu49
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc :
(reconfigured) ../gcc/configure --prefix=/usr/local/gnu49
--enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp
--with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc
Thread model: posix
gcc version 4.9.0 20130411 (experimental) (GCC)
[sfilippo@jacobi BugCBind]$ gfortran -c tst_cbind.f90
tst_cbind.f90:57.18:
if (c_associated(a%deviceMat%Mat)) then
1
Error: Name 'c_associated' at (1) is an ambiguous reference to 'c_associated'
from module '__iso_c_binding'
tst_cbind.f90:59.5:
end if
1
Error: Expecting END SUBROUTINE statement at (1)
[sfilippo@jacobi BugCBind]$
