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4 Commits

Author SHA1 Message Date
Richard Smith f2b1eb9eb2 [modules] Better support for redefinitions of an entity from the same module. 
Support this across module save/reload and extend the 'missing import'
diagnostics with a list of providing modules.

llvm-svn: 239750
 2015-06-15 20:15:48 +00:00
Richard Smith 00be6d0ff8 [modules] Fix a few places where merging wasn't performed if modules was disabled but local module visibilty was enabled. 
llvm-svn: 239504
 2015-06-11 03:05:39 +00:00
Richard Smith 0279375836 [modules] When merging class definitions, make the retained definition visible 
if the merged definition is visible, and perform lookups into all merged copies
of the definition (not just for special members) so that we can complete the
redecl chains for members of the class.

llvm-svn: 233420
 2015-03-27 21:16:39 +00:00
Richard Smith 65ebb4ac8a [modules] If we reach a definition of a class for which we already have a 
non-visible definition, skip the new definition and make the old one visible
instead of trying to parse it again and failing horribly. C++'s ODR allows
us to assume that the two definitions are identical.

llvm-svn: 233250
 2015-03-26 04:09:53 +00:00