Richard Smith f19e12794d Replace Sema's map of locally-scoped extern "C" declarations with a DeclContext ...

of extern "C" declarations. This is simpler and vastly more efficient for
modules builds (we no longer need to load *all* extern "C" declarations to
determine if we have a redeclaration).

No functionality change intended.

llvm-svn: 231538

2015-03-07 00:04:49 +00:00

9.2 KiB

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