David Blaikie b00f360e8f Do not emit duplicate global initializers for template static data members inside namespaces ...

A quirk of AST representation leads to class template static data member
definitions being visited twice during Clang IRGen resulting in
duplicate (benign) initializers.

Discovered while investigating a possibly-related debug info bug tickled
by the duplicate emission of these members & their associated debug
info.

With thanks to Richard Smith for help investigating, understanding, and
helping with the fix.

llvm-svn: 189996

2013-09-04 21:07:37 +00:00

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