[Bug middle-end/36286] New: [4.4 Regression] ICE with -ftree-loop-linear and -O1 and above

[dominiq at lps dot ens dot fr]

At revision 135707, 13 tests  (out of 16) of the polyhedron testsuite
(exceptions: gas_dyn, linpk, and nf) fail with options-ftree-loop-linear and
-O1 and above:

[ibook-dhum] lin/test% gfc -w -O1 -ftree-loop-linear tfft.f90
tfft.f90: In function 'rfft':
tfft.f90:152: internal compiler error: in calculate_allocation, at vec.c:51

They worked with revision 135656.


-- 
           Summary: [4.4 Regression] ICE with -ftree-loop-linear and -O1 and
                    above
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dominiq at lps dot ens dot fr
 GCC build triplet: i686-apple-darwin9
  GCC host triplet: i686-apple-darwin9
GCC target triplet: i686-apple-darwin9


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36286