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| author | Fariborz Jahanian <fjahanian@apple.com> | 2012-04-04 20:05:25 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2012-04-04 20:05:25 +0000 |
| commit | 6bd222603773b46149c4762e82c21335df28349b (patch) | |
| tree | c69e00ae536faffb4f1b748704eb4cf6bf930cf7 /clang/lib/Sema | |
| parent | 3c18cd3de1e20d24bfe5554ef21a7d14f18d9217 (diff) | |
| download | bcm5719-llvm-6bd222603773b46149c4762e82c21335df28349b.tar.gz bcm5719-llvm-6bd222603773b46149c4762e82c21335df28349b.zip | |
objc-arc: provide a warning when 'receiver' of a message is 'weak'
in arc mode and opted-in with -Wreceiver-is-weak flag.
// rdar://10225276
llvm-svn: 154042
Diffstat (limited to 'clang/lib/Sema')
| -rw-r--r-- | clang/lib/Sema/SemaExprObjC.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp index 448f1459647..b62d56efdab 100644 --- a/clang/lib/Sema/SemaExprObjC.cpp +++ b/clang/lib/Sema/SemaExprObjC.cpp @@ -2232,6 +2232,11 @@ ExprResult Sema::BuildInstanceMessage(Expr *Receiver, } if (getLangOpts().ObjCAutoRefCount) { + if (Receiver && + (Receiver->IgnoreParenImpCasts()->getType().getObjCLifetime() + == Qualifiers::OCL_Weak)) + Diag(Receiver->getLocStart(), diag::warn_receiver_is_weak); + // In ARC, annotate delegate init calls. if (Result->getMethodFamily() == OMF_init && (SuperLoc.isValid() || isSelfExpr(Receiver))) { |
