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| author | Fariborz Jahanian <fjahanian@apple.com> | 2008-11-20 00:15:42 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2008-11-20 00:15:42 +0000 |
| commit | 2682d8b3a0415d521d5ca11afb13a8bc5c559a31 (patch) | |
| tree | 3b7fed35f05db16b71b1d20356820801d3f59285 /lib/Sema/SemaDeclAttr.cpp | |
| parent | 9ebae31a97f862771dc5f6bd4923dd97131fed71 (diff) | |
More objc gc stuff. Read/Write barriers for local static/extern,
diagnostics on use of __weak attribute on fields,
Early support for read/write barriers for objc fields.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59682 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDeclAttr.cpp')
| -rw-r--r-- | lib/Sema/SemaDeclAttr.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp index 4bf55dd7f0..57d1cc7fa0 100644 --- a/lib/Sema/SemaDeclAttr.cpp +++ b/lib/Sema/SemaDeclAttr.cpp @@ -555,8 +555,11 @@ static void HandleObjCGCAttr(Decl *d, const AttributeList &Attr, Sema &S) { ObjCGCAttr::GCAttrTypes type; - if (Attr.getParameterName()->isName("weak")) + if (Attr.getParameterName()->isName("weak")) { + if (isa<FieldDecl>(d)) + S.Diag(Attr.getLoc(), diag::warn_attribute_weak_on_field); type = ObjCGCAttr::Weak; + } else if (Attr.getParameterName()->isName("strong")) type = ObjCGCAttr::Strong; else { |