http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48699
Summary: [OOP] MOVE_ALLOC of polymorphic variables
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: sfilipp...@uniroma2.it
Created attachment 24056
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24056
test-case
Hello,
The attached examples fail in rather strange ways, on both current trunk and
4.6.0.
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[sfilippo@donald bug31]$ gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/usr/local/gnu47/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure --prefix=/usr/local/gnu47
--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/gnu47
--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/gnu47
--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 4.7.0 20110418 (experimental) (GCC)
[sfilippo@donald bug31]$ gfortran -o testmv1 testmv1.f90
/tmp/ccIl5I0L.o:(.data+0x58): undefined reference to `__copy_foo2_Bar2.1685'
collect2: ld returned 1 exit status
[sfilippo@donald bug31]$ gfortran -c testmv2.f90
testmv2.f90:38.20:
call move_alloc(sm,dat%sm)
1
Error: 'from' argument of 'move_alloc' intrinsic at (1) must be ALLOCATABLE
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The symptoms seem to be about two different things, though.
