Make the RAII extension warning silencing for __extension__ a bit
narrower, so it doesn't catch expresions that aren't sub-expressions of
__extension__ operator.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71967 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 20c55a1..55fc0cd 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -225,8 +225,14 @@
/// process of disambiguating between an expression and a declaration.
Parser::OwningExprResult
Parser::ParseExpressionWithLeadingExtension(SourceLocation ExtLoc) {
- OwningExprResult LHS(ParseCastExpression(false));
- if (LHS.isInvalid()) return move(LHS);
+ OwningExprResult LHS(Actions, true);
+ {
+ // Silence extension warnings in the sub-expression
+ ExtensionRAIIObject O(Diags);
+
+ LHS = ParseCastExpression(false);
+ if (LHS.isInvalid()) return move(LHS);
+ }
LHS = Actions.ActOnUnaryOp(CurScope, ExtLoc, tok::kw___extension__,
move(LHS));