[cfe-dev] CFG::VisitBlockStmts parameter type

[David Come via cfe-dev]

Hi,

Is there any special reason for CFG::VisitBlockStmts 
<http://clang.llvm.org/doxygen/classclang_1_1CFG.html#a06492785963cc91eb21dae8161d21e6e> 
for using a non const reference for the callback ?
Why not using an universal reference (or at least const lvalue ref ? )

Thanks,
David.
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