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Author SHA1 Message Date
Patrick Beard acfbe9e1f2 Added a new attribute, objc_root_class, which informs the compiler when a root class is intentionally declared. 
The warning this inhibits, -Wobjc-root-class, is opt-in for now. However, all clang unit tests that would trigger
the warning have been updated to use -Wno-objc-root-class. <rdar://problem/7446698>

llvm-svn: 154187
 2012-04-06 18:12:22 +00:00
Argyrios Kyrtzidis b5b5a59f18 Improve the diagnostic for -Wcustom-atomic-properties. Suggestion by Fariborz! 
llvm-svn: 124620
 2011-01-31 23:20:03 +00:00
Argyrios Kyrtzidis dd88dbf9d2 Add -Wcustom-atomic-properties which warns if an atomic-by-default property has custom getter or setter. 
The rationale is that it is highly likely that the user's getter/setter isn't atomically implemented. Off by default.
Addresses rdar://8782645.

-Wcustom-atomic-properties and -Wimplicit-atomic-properties are under the -Watomic-properties group.

llvm-svn: 124609
 2011-01-31 21:34:11 +00:00