program main
implicit none
real :: start,end
real :: t=0.5
integer :: i
call cpu_time(start)
do i=1,10000000
t=sin(t)
enddo
call cpu_time(end)
print '(f6.3)',end-start
end program main

------------------------
gfortran 430 and 423 are  ok.
gfortran 4.4.0 failed.


-- 
           Summary: gfortran 4.4.0-20060501 failed to compile this program
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: linuxl4 at sohu dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36103

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