Fix scope location when parsing GNU attributes.

For GNU attributes, instead of reusing attribute source 
location for the scope location, use SourceLocation() since 
GNU attributes don not have scope tokens. 



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165234 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 4 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index e90d0eb9fe..27cc4843cf 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -155,7 +155,7 @@ void Parser::ParseGNUAttributes(ParsedAttributes &attrs,
           LA->Toks.push_back(Eof);
         } else {
           ParseGNUAttributeArgs(AttrName, AttrNameLoc, attrs, endLoc,
-                                0, AttrNameLoc, AttributeList::AS_GNU);
+                                0, SourceLocation(), AttributeList::AS_GNU);
         }
       } else {
         attrs.addNew(AttrName, AttrNameLoc, 0, AttrNameLoc,
@@ -282,8 +282,9 @@ void Parser::ParseGNUAttributeArgs(IdentifierInfo *AttrName,
 
   SourceLocation RParen = Tok.getLocation();
   if (!ExpectAndConsume(tok::r_paren, diag::err_expected_rparen)) {
+    SourceLocation AttrLoc = ScopeLoc.isValid() ? ScopeLoc : AttrNameLoc;
     AttributeList *attr =
-      Attrs.addNew(AttrName, SourceRange(AttrNameLoc, RParen),
+      Attrs.addNew(AttrName, SourceRange(AttrLoc, RParen),
                    ScopeName, ScopeLoc, ParmName, ParmLoc,
                    ArgExprs.data(), ArgExprs.size(), Syntax);
     if (BuiltinType && attr->getKind() == AttributeList::AT_IBOutletCollection)
@@ -929,7 +930,7 @@ void Parser::ParseLexedAttribute(LateParsedAttribute &LA,
         Actions.ActOnReenterFunctionContext(Actions.CurScope, D);
 
       ParseGNUAttributeArgs(&LA.AttrName, LA.AttrNameLoc, Attrs, &endLoc,
-                            0, LA.AttrNameLoc, AttributeList::AS_GNU);
+                            0, SourceLocation(), AttributeList::AS_GNU);
 
       if (HasFunScope) {
         Actions.ActOnExitFunctionContext();
@@ -942,7 +943,7 @@ void Parser::ParseLexedAttribute(LateParsedAttribute &LA,
       // If there are multiple decls, then the decl cannot be within the
       // function scope.
       ParseGNUAttributeArgs(&LA.AttrName, LA.AttrNameLoc, Attrs, &endLoc,
-                            0, LA.AttrNameLoc, AttributeList::AS_GNU);
+                            0, SourceLocation(), AttributeList::AS_GNU);
     }
   } else {
     Diag(Tok, diag::warn_attribute_no_decl) << LA.AttrName.getName();