1c { dg-do compile }
2      subroutine saxpy(n,sa,sx,incx,sy,incy)
3C
4C     constant times a vector plus a vector.
5C     uses unrolled loop for increments equal to one.
6C     jack dongarra, linpack, 3/11/78.
7C     modified 12/3/93, array(1) declarations changed to array(*)
8C
9      real sx(*),sy(*),sa
10      integer i,incx,incy,ix,iy,m,mp1,n
11C
12C  -ffast-math ICE provoked by this conditional
13      if(sa /= 0.0)then
14C
15C        code for both increments equal to 1
16C
17         do i= 1,n
18           sy(i)= sy(i)+sa*sx(i)
19         enddo
20      endif
21      return
22      end
23