Add extra sanity checking in FormatString::matchesType() that we are comparing integers to integers.  This happens not to be an issue now, but the extra check helps future proof in case of future refactorings.
Add extra sanity checking in FormatString::matchesType() that we are comparing integers to integers.  This happens not to be an issue now, but the extra check helps future proof in case of future refactorings.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@135147 91177308-0d34-0410-b5e6-96231b3b80d8

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