fix a more evil case of : / :: confusion arising in ?:.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91039 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 54131e0..2536cee 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -317,6 +317,9 @@
OwningExprResult TernaryMiddle(Actions, true);
if (NextTokPrec == prec::Conditional) {
if (Tok.isNot(tok::colon)) {
+ // Don't parse FOO:BAR as if it were a typo for FOO::BAR.
+ ColonProtectionRAIIObject X(*this);
+
// Handle this production specially:
// logical-OR-expression '?' expression ':' conditional-expression
// In particular, the RHS of the '?' is 'expression', not