Check if the type has been correctly resolved #3171
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We did not check the optional was valid, this lead to rogue dereference and undefined behaviors. gcc/rust/ChangeLog: * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Add optional check. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
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We did not check the optional was valid, this lead to rogue dereference and undefined behaviors.