[Bug fortran/45586] [4.6/4.7 Regression] ICE non-trivial conversion at assignment

["Joost.VandeVondele at pci dot uzh.ch" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45586

--- Comment #55 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-04-26 18:17:52 UTC ---
(In reply to comment #54)
> (In reply to comment #53)
> > reduced testcase for 4.7
> 
> Does not fail here - can you still reproduce it? (It might have been fixed by
> the patch for PR 48588. If it still occurs, I will try harder.)

still fails for me with latest trunk (but notice the testcase only fails to
compile at -O0 -flto). For completeness, the full -v output for me, might be
gold or so related:

gfortran -v -O0 -flto t.f90 
Driving: gfortran -v -O0 -flto t.f90 -l gfortran -l m -shared-libgcc
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure
--prefix=/data03/vondele/gnu/gcc_trunk/install --enable-languages=c,c++,fortran
--disable-multilib --enable-plugins --enable-cloog-backend=isl
--with-ppl=/data03/vondele/gnu/ppl-0.11/install
--with-cloog=/data03/vondele/gnu/cloog-0.16.1/install/
--with-libelf=/data03/vondele/gnu/libelf-0.8.13/install
--with-plugin-ld=ld.gold
Thread model: posix
gcc version 4.7.0 20110426 (experimental) [trunk revision 172980] (GCC) 
COLLECT_GCC_OPTIONS='-v' '-O0' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'

/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/f951
t.f90 -quiet -dumpbase t.f90 -mtune=generic -march=x86-64 -auxbase t -O0
-version -flto -fintrinsic-modules-path
/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/finclude
-o /dev/shm/vondele/cc5Lcxwt.s
GNU Fortran (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU Fortran (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
COLLECT_GCC_OPTIONS='-v' '-O0' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
 as --64 -o /dev/shm/vondele/ccHOHV4Q.o /dev/shm/vondele/cc5Lcxwt.s
Reading specs from
/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/libgfortran.spec
rename spec lib to liborig
COLLECT_GCC_OPTIONS='-v' '-O0' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
COMPILER_PATH=/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/
LIBRARY_PATH=/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-O0' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'

/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/collect2
-flto --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2
/usr/lib/../lib64/crt1.o /usr/lib/../lib64/crti.o
/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/crtbegin.o
-L/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0
-L/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64
-L/lib/../lib64 -L/usr/lib/../lib64
-L/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../..
/dev/shm/vondele/ccHOHV4Q.o -lgfortran -lm -lgcc_s -lgcc -lquadmath -lm -lgcc_s
-lgcc -lc -lgcc_s -lgcc
/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/crtend.o
/usr/lib/../lib64/crtn.o
 gfortran @/dev/shm/vondele/ccrOSrYZ.args
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure
--prefix=/data03/vondele/gnu/gcc_trunk/install --enable-languages=c,c++,fortran
--disable-multilib --enable-plugins --enable-cloog-backend=isl
--with-ppl=/data03/vondele/gnu/ppl-0.11/install
--with-cloog=/data03/vondele/gnu/cloog-0.16.1/install/
--with-libelf=/data03/vondele/gnu/libelf-0.8.13/install
--with-plugin-ld=ld.gold
Thread model: posix
gcc version 4.7.0 20110426 (experimental) [trunk revision 172980] (GCC) 
COLLECT_GCC_OPTIONS='-c' '-v' '-O0' '-shared-libgcc' '-mtune=generic'
'-march=x86-64' '-fltrans-output-list=/dev/shm/vondele/ccU5I08B.ltrans.out'
'-fwpa'

/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto1
-quiet -dumpbase ccHOHV4Q.o -mtune=generic -march=x86-64 -auxbase ccHOHV4Q -O0
-version -fltrans-output-list=/dev/shm/vondele/ccU5I08B.ltrans.out -fwpa
@/dev/shm/vondele/ccFk202B
GNU GIMPLE (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU GIMPLE (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
COMPILER_PATH=/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/
LIBRARY_PATH=/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/../lib64/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/:/data03/vondele/gnu/gcc_trunk/install/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-c' '-v' '-O0' '-shared-libgcc' '-mtune=generic'
'-march=x86-64' '-fltrans-output-list=/dev/shm/vondele/ccU5I08B.ltrans.out'
'-fwpa'
 gfortran @/dev/shm/vondele/ccbrXBHL.args
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure
--prefix=/data03/vondele/gnu/gcc_trunk/install --enable-languages=c,c++,fortran
--disable-multilib --enable-plugins --enable-cloog-backend=isl
--with-ppl=/data03/vondele/gnu/ppl-0.11/install
--with-cloog=/data03/vondele/gnu/cloog-0.16.1/install/
--with-libelf=/data03/vondele/gnu/libelf-0.8.13/install
--with-plugin-ld=ld.gold
Thread model: posix
gcc version 4.7.0 20110426 (experimental) [trunk revision 172980] (GCC) 
COLLECT_GCC_OPTIONS='-c' '-v' '-O0' '-shared-libgcc' '-mtune=generic'
'-march=x86-64' '-fltrans' '-o' '/dev/shm/vondele/ccU5I08B.ltrans0.ltrans.o'

/data03/vondele/gnu/gcc_trunk/install/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto1
-quiet -dumpbase ccU5I08B.ltrans0.o -mtune=generic -march=x86-64 -auxbase-strip
/dev/shm/vondele/ccU5I08B.ltrans0.ltrans.o -O0 -version -fltrans
@/dev/shm/vondele/ccZW67eE -o /dev/shm/vondele/ccktUf91.s
GNU GIMPLE (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU GIMPLE (GCC) version 4.7.0 20110426 (experimental) [trunk revision 172980]
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.7.0 20110426 (experimental) [trunk revision
172980], GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
In file included from :0:0:
t.f90: In function âs1â:
t.f90:17:0: error: non-trivial conversion at assignment
struct array3_real(kind=8)
struct array3_real(kind=8)
y = D.2088_27->r;

t.f90:17:0: internal compiler error: verify_gimple failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: gfortran returned 1 exit status
collect2: lto-wrapper returned 1 exit status