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6 Commits

Author SHA1 Message Date
Richard Smith afe800c456 [modules] Fix typo in default argument merging. 
llvm-svn: 239954
 2015-06-17 22:13:23 +00:00
Richard Smith 95d83959d8 [modules] Don't allow use of non-visible (inherited) default template arguments. 
llvm-svn: 239487
 2015-06-10 20:36:34 +00:00
Richard Smith e7bd6defd7 [modules] Track all default template arguments for a given parameter across 
modules, and allow use of a default template argument if any of the parameters
providing it is visible.

llvm-svn: 239485
 2015-06-10 20:30:23 +00:00
Richard Smith 8dbe7e236c Revert accidentally-committed test change from r239447. 
llvm-svn: 239452
 2015-06-10 01:36:14 +00:00
Richard Smith 1469b9196c Refactor storage of default template arguments. 
This is just a preparatory step towards fixing visibility for default template
arguments in modules builds.

llvm-svn: 239447
 2015-06-10 00:29:03 +00:00
Richard Smith 87bb569844 [modules] Fix some visibility issues with default template arguments. 
There are still problems here, but this is a better starting point.

The main part of the change is: when doing a lookup that would accept visible
or hidden declarations, prefer to produce the latest visible declaration if
there are any visible declarations, rather than always producing the latest
declaration.

Thus, when we inherit default arguments (and other properties) from a previous
declaration, we inherit them from the previous visible declaration; if the
previous declaration is hidden, we already suppress inheritance of default
arguments.

There are a couple of other changes here that fix latent bugs exposed by this
change.

llvm-svn: 239371
 2015-06-09 00:35:49 +00:00