For:
MODULE ai_geminals_debug
REAL(8) :: kab
CONTAINS
SUBROUTINE init_grs(ya,yb,rA,rB)
REAL(8), DIMENSION(6) :: C, D
eab = SUM(C*D)
kab = EXP(-eab)
END SUBROUTINE init_grs
END MODULE ai_geminals_debug
leads to an ice (march=native so might be target dependent):
> gfortran -g -O3 -ffast-math -march=native -v bug.f90
Driving: gfortran -g -O3 -ffast-math -march=native -v bug.f90 -lgfortran -lm
-shared-libgcc
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /data03/vondele/gcc_trunk/gcc/configure --disable-bootstrap
--prefix=/data03/vondele/gcc_trunk/build --enable-languages=c,c++,fortran
--disable-multilib --with-ppl=/data03/vondele/gcc_trunk/build/
--with-cloog=/data03/vondele/gcc_trunk/build/
--with-libelf=/data03/vondele/libelf-0.8.12/build/ --enable-gold --enable-lto
--enable-plugins
Thread model: posix
gcc version 4.5.0 20100302 (experimental) [trunk revision 157164] (GCC)
COLLECT_GCC_OPTIONS='-g' '-O3' '-ffast-math' '-v' '-shared-libgcc'
/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/f951
bug.f90 -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param
l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 -quiet -dumpbase
bug.f90 -auxbase bug -g -O3 -version -ffast-math -fintrinsic-modules-path
/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/finclude
-o /tmp/ccBhxqrU.s
GNU Fortran (GCC) version 4.5.0 20100302 (experimental) [trunk revision 157164]
(x86_64-unknown-linux-gnu)
compiled by GNU C version 4.3.1 20080507 (prerelease) [gcc-4_3-branch
revision 135036], GMP version 4.2.4, MPFR version 2.4.1, MPC version 0.8
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU Fortran (GCC) version 4.5.0 20100302 (experimental) [trunk revision 157164]
(x86_64-unknown-linux-gnu)
compiled by GNU C version 4.3.1 20080507 (prerelease) [gcc-4_3-branch
revision 135036], GMP version 4.2.4, MPFR version 2.4.1, MPC version 0.8
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
<reduc_plus_expr 0x7f0b90414390
type <vector_type 0x7f0b90574d20
type <real_type 0x7f0b905230a8 real(kind=8) DF
size <integer_cst 0x7f0b90507a50 constant 64>
unit size <integer_cst 0x7f0b90507a78 constant 8>
align 64 symtab 0 alias set 2 canonical type 0x7f0b905230a8
precision 64
pointer_to_this <pointer_type 0x7f0b905232a0>>
V2DF
size <integer_cst 0x7f0b90507c58 constant 128>
unit size <integer_cst 0x7f0b90507c80 constant 16>
align 128 symtab 0 alias set 2 canonical type 0x7f0b90574d20 nunits 2
pointer_to_this <pointer_type 0x7f0b9057ee70>>
arg 0 <ssa_name 0x7f0b9040c6e0 type <vector_type 0x7f0b90574d20>
visited var <var_decl 0x7f0b9040b8c0 vect_var_.28>def_stmt
vect_var_.28_51 = vect_var_.27_49 + vect_var_.28_65;
version 51>>
bug.f90: In function init_grs:
bug.f90:4:0: internal compiler error: in expand_debug_expr, at cfgexpand.c:2957
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: [4.5 Regression] ice expand_debug_expr, at
cfgexpand.c:2957
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43229
