objc arc: Suppress certain arc diagnostics on unavailable
functions. // rdar://10186536
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 79afbe5..940f5a8 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -3904,6 +3904,17 @@
"this system declaration uses an unsupported type"));
return;
}
+ if (S.getLangOptions().ObjCAutoRefCount)
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(decl)) {
+ // FIXME. we may want to supress diagnostics for all
+ // kind of forbidden type messages on unavailable functions.
+ if (FD->hasAttr<UnavailableAttr>() &&
+ diag.getForbiddenTypeDiagnostic() ==
+ diag::err_arc_array_param_no_ownership) {
+ diag.Triggered = true;
+ return;
+ }
+ }
S.Diag(diag.Loc, diag.getForbiddenTypeDiagnostic())
<< diag.getForbiddenTypeOperand() << diag.getForbiddenTypeArgument();