Update test CHECK lines after r268509.  NFC.
Update test CHECK lines after r268509.  NFC.

r268509 causes this test case to be fully unrolled, so checking for an icmp is
no longer valid.  Given that this test is for ARC anyway, checking for the icmp seems
unecessary.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@268523 91177308-0d34-0410-b5e6-96231b3b80d8

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