this patch accomodates clattner's comments on expression processing in @try-statement.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseExpr.cpp b/Parse/ParseExpr.cpp
index 4608898..1b261aa 100644
--- a/Parse/ParseExpr.cpp
+++ b/Parse/ParseExpr.cpp
@@ -177,7 +177,7 @@
/// routine is necessary to disambiguate @try-statement from,
/// for example, @encode-expression.
///
-Parser::ExprResult Parser::ParseExpressionWithLeadingAt(SourceLocation &AtLoc) {
+Parser::ExprResult Parser::ParseExpressionWithLeadingAt(SourceLocation AtLoc) {
ExprResult LHS = ParseObjCExpression(AtLoc);
if (LHS.isInvalid) return LHS;