Addressed bug #2320 in v8.2 and v8.3 branches ("refine" problem with metas in return predicate of "match"); propagated protection for #2310 ("refine" problem with dependent metas of higher-order type) in v8.3 to v8.2. Everything goes well in trunk thanks for the new proof engine.
Addressed bug #2320 in v8.2 and v8.3 branches ("refine" problem with
metas in return predicate of "match"); propagated protection for #2310
("refine" problem with dependent metas of higher-order type) in v8.3
to v8.2. Everything goes well in trunk thanks for the new proof engine.

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@13129 85f007b7-540e-0410-9357-904b9bb8a0f7

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