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c { dg-do compile }

      subroutine saxpy(n,sa,sx,incx,sy,incy)

C

C     constant times a vector plus a vector.

C     uses unrolled loop for increments equal to one.

C     jack dongarra, linpack, 3/11/78.

C     modified 12/3/93, array(1) declarations changed to array(*)

C

      real sx(*),sy(*),sa

      integer i,incx,incy,ix,iy,m,mp1,n

C

C  -ffast-math ICE provoked by this conditional

      if(sa /= 0.0)then

C

C        code for both increments equal to 1

C

         do i= 1,n

           sy(i)= sy(i)+sa*sx(i)

         enddo

      endif

      return

      end