objc: allow class name qualified with protocols in

iboutletcollection attribute. But ignore protocol
list. // rdar://10296078


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142459 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 1 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 0c60e28741..8cf25b619d 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -248,7 +248,17 @@ void Parser::ParseGNUAttributeArgs(IdentifierInfo *AttrName,
   else if (Tok.is(tok::less) && AttrName->isStr("iboutletcollection")) {
     if (!ExpectAndConsume(tok::less, diag::err_expected_less_after, "<",
                           tok::greater)) {
-      Diag(Tok, diag::err_iboutletcollection_with_protocol);
+      while (Tok.is(tok::identifier)) {
+        ConsumeToken();
+        if (Tok.is(tok::greater))
+          break;
+        if (Tok.is(tok::comma)) {
+          ConsumeToken();
+          continue;
+        }
+      }
+      if (Tok.isNot(tok::greater))
+        Diag(Tok, diag::err_iboutletcollection_with_protocol);
       SkipUntil(tok::r_paren, false, true); // skip until ')'
     }
   }