[Bug tree-optimization/43716] [4.6 Regression] Revision 158105 miscompiles doduc.f90

["dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #6 from dominiq at lps dot ens dot fr  2010-04-10 18:41 -------
Created an attachment (id=20358)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20358&action=view)
doduc.in

Using built-in specs.
COLLECT_GCC=gfcp
COLLECT_LTO_WRAPPER=/opt/gcc/gcc4.6p/libexec/gcc/x86_64-apple-darwin10/4.6.0/lto-wrapper
Target: x86_64-apple-darwin10
Configured with: ../p_work/configure --prefix=/opt/gcc/gcc4.6p
--mandir=/opt/gcc/gcc4.6p/share/man --infodir=/opt/gcc/gcc4.6p/share/info
--build=x86_64-apple-darwin10 --host=x86_64-apple-darwin10
--target=x86_64-apple-darwin10 --enable-languages=c,fortran
--with-gmp=/opt/sw64 --with-libiconv-prefix=/opt/sw64 --with-system-zlib
--x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--with-cloog=/opt/sw64 --with-ppl=/opt/sw64 --with-mpc=/opt/sw64
Thread model: posix
gcc version 4.6.0 20100408 (experimental) [trunk revision 158105] (GCC) 
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.3' '-v' '-c' '-mtune=generic'
 /opt/gcc/gcc4.6p/libexec/gcc/x86_64-apple-darwin10/4.6.0/f951 doduc_red.f90
-fPIC -quiet -dumpbase doduc_red.f90 -mmacosx-version-min=10.6.3 -mtune=generic
-auxbase doduc_red -version -fintrinsic-modules-path
/opt/gcc/gcc4.6p/lib/gcc/x86_64-apple-darwin10/4.6.0/finclude -o
/var/folders/LW/LW1oufkMGIqlLpjYn45fBU+++TI/-Tmp-//ccrL4xwD.s
GNU Fortran (GCC) version 4.6.0 20100408 (experimental) [trunk revision 158105]
(x86_64-apple-darwin10)
        compiled by GNU C version 4.6.0 20100408 (experimental) [trunk revision
158104], GMP version 5.0.1, MPFR version 2.4.2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU Fortran (GCC) version 4.6.0 20100408 (experimental) [trunk revision 158105]
(x86_64-apple-darwin10)
        compiled by GNU C version 4.6.0 20100408 (experimental) [trunk revision
158104], GMP version 5.0.1, MPFR version 2.4.2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.3' '-v' '-c' '-mtune=generic'
 as -arch x86_64 -force_cpusubtype_ALL -o doduc_red.o
/var/folders/LW/LW1oufkMGIqlLpjYn45fBU+++TI/-Tmp-//ccrL4xwD.s
COMPILER_PATH=/opt/gcc/gcc4.6p/libexec/gcc/x86_64-apple-darwin10/4.6.0/:/opt/gcc/gcc4.6p/libexec/gcc/x86_64-apple-darwin10/4.6.0/:/opt/gcc/gcc4.6p/libexec/gcc/x86_64-apple-darwin10/:/opt/gcc/gcc4.6p/lib/gcc/x86_64-apple-darwin10/4.6.0/:/opt/gcc/gcc4.6p/lib/gcc/x86_64-apple-darwin10/
LIBRARY_PATH=/opt/gcc/gcc4.6p/lib/gcc/x86_64-apple-darwin10/4.6.0/:/opt/gcc/gcc4.6p/lib/gcc/x86_64-apple-darwin10/4.6.0/../../../:/usr/lib/
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.3' '-v' '-c' '-mtune=generic'
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.3' '-v' '-c' '-mtune=generic'


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43716