Domain parsing fail

[inducer]

knl = lp.make_kernel(
        [
            "{[i,j]: 0<=i,j<n}"
            "{[k,l]: 0<=i,j<n}"
            ],
        """
        a[i,j] = 2*a[i,j]
        a[k,l] = 2*a[k,l]
        """)

Note the missing comma. Something (isl?) just ignores the second part.

cc @a-alveyblanc