Argyrios Kyrtzidis 98d045eb68 When we are deserializing the lexical decls of a DeclContext from PCH, notify the PCHReader to hold off passing Decls ...

to the consumer until the DeclContext is fully prepared.

Before, due to recursive loading, we could be in a situation where we would try to deserialize the decls of a DeclContext which was already doing that, and bad things would happen. In the specific case I encountered, the lexical decls would
form a cycle and we would enter infinite loop territory.

llvm-svn: 109857

2010-07-30 10:03:23 +00:00

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