[Bug rtl-optimization/44691] New: [4.6 Regression] ICE: RTL check: expected code 'reg', have 'plus' in rhs_regno, at rtl.h:1050

["zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

Command line:
$ gfortran -O2 -fselective-scheduling2 testsuite/gfortran.dg/pr42294.f

Compiler output:
$ /mnt/svn/gcc-trunk/binary-161428-lto-fortran-checking-yes-rtl-df/bin/gfortran
-O2 -fselective-scheduling2 pr42294.f 
pr42294.f: In function 'orien':
pr42294.f:39:0: internal compiler error: RTL check: expected code 'reg', have
'plus' in rhs_regno, at rtl.h:1050
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r161428 - crash (checking=yes,rtl,df)
r161383 - crash (checking=yes,rtl,df)
4.5 r160526 - OK (checking=yes,rtl)

Testcase is from the testsuite: testsuite/gfortran.dg/pr42294.f


-- 
           Summary: [4.6 Regression] ICE: RTL check: expected code 'reg',
                    have 'plus' in rhs_regno, at rtl.h:1050
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44691