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10 Commits

Author SHA1 Message Date
Aaron Ballman adf66b6174 Determine the attribute subject for diagnostics based on declarative information in DeclNodes.td. This greatly reduces the number of enumerated values used for more complex diagnostics; these are now only required when the "attribute only applies to" diagnostic needs to be generated manually as part of semantic processing. 
This also clarifies some terminology used by the diagnostic (methods -> Objective-C methods, fields -> non-static data members, etc).

Many of the tests needed to be updated in multiple places for the diagnostic wording tweaks. The first instance of the diagnostic for that attribute is fully specified and subsequent instances cut off the complete list (to make it easier if additional subjects are added in the future for the attribute).

llvm-svn: 319002
 2017-11-26 20:01:12 +00:00
Rafael Espindola f1d2f0ea21 Check for internal weak decls after merging. 
This fixes pr14946. The problem was that the linkage computation was done too
early, so things like "extern int a;" would be given external linkage, even if
a previous declaration was static.

llvm-svn: 172667
 2013-01-16 23:11:15 +00:00
Fariborz Jahanian 33e022650a Issue warning if weak_import attribute is added to an already 
declared variable and ignore it. // rdar://9538608

llvm-svn: 133654
 2011-06-22 22:08:50 +00:00
John McCall 7a198cef04 When checking the 'weak' and 'weakref' attributes, look for non-external 
linkage rather than the presence of the 'static' storage class specifier.
Fixes rdar://problem/8814626.

llvm-svn: 125126
 2011-02-08 22:35:49 +00:00
John McCall 4bb483629f Change the wording of the bad-decl-for-attribute warning and error 
to make it clear that we're talking about the declarations and not the types.

llvm-svn: 124175
 2011-01-25 03:51:08 +00:00
Daniel Dunbar 8fbe78f6fc Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'. 
- This is designed to make it obvious that %clang_cc1 is a "test variable"
   which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
   can be useful to redefine what gets run as 'clang -cc1' (for example, to set
   a default target).

llvm-svn: 91446
 2009-12-15 20:14:24 +00:00
Mike Stump 753d120975 Prep for new warning. 
llvm-svn: 76709
 2009-07-22 00:43:08 +00:00
Fariborz Jahanian 41136eec6b Generate error on declaration containing 'static' and '__attribute__((weak))' 
Patch by Ryan Flynn

llvm-svn: 75879
 2009-07-16 01:12:24 +00:00
Daniel Dunbar a45cf5b6b0 Rename clang to clang-cc. 
Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
 2009-03-24 02:24:46 +00:00
Daniel Dunbar 5cb85ebe94 Add Parse/Sema support for weak_import attribute. 
- Also, diagnose weak applied to types.

llvm-svn: 66259
 2009-03-06 06:39:57 +00:00