DebugInfo: Don't create duplicate forward declaration metadata unnecessarily.
authorDavid Blaikie <dblaikie@gmail.com>
Thu, 15 Aug 2013 18:59:40 +0000 (18:59 +0000)
committerDavid Blaikie <dblaikie@gmail.com>
Thu, 15 Aug 2013 18:59:40 +0000 (18:59 +0000)
commitd816e2d3b00e18fd28dbbdc2a748b1ec88330911
tree837c9f8374a72a046c4405c2bf879e95fbe3a71e
parent0b48e7c6bd8368232322ab484708577483a54996
DebugInfo: Don't create duplicate forward declaration metadata unnecessarily.

No functionality change, at best a slight (questionable) optimization,
but necessary for correctness of future work.

llvm-svn: 188474
clang/lib/CodeGen/CGDebugInfo.cpp
clang/lib/CodeGen/CGDebugInfo.h