Rather than asserting. Dump out the MI that we are not able to encode and abort.
Rather than asserting. Dump out the MI that we are not able to encode and abort.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@47933 91177308-0d34-0410-b5e6-96231b3b80d8

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