Add better comments to ::new parsing. Thanks to Doug for the review.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60423 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 50b3a7a..52caffb 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -639,6 +639,8 @@
return ParsePostfixExpressionSuffix(Res);
case tok::coloncolon: // [C++] new-expression or [C++] delete-expression
+ // If the next token is neither 'new' nor 'delete', the :: would have been
+ // parsed as a scope specifier already.
if (NextToken().is(tok::kw_new))
return ParseCXXNewExpression();
else