In ParseParenDeclarator match "D.setGroupingParens(true);" with another setGroupingParens call after the ')' is parsed.
Fixes this bug:
  int (x)(0); // error, expected function declarator where the '(0)' initializer is

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57241 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 7d1a9bb..c541a13 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1279,6 +1279,7 @@
   // direct-declarator: '(' declarator ')'
   // direct-declarator: '(' attributes declarator ')'
   if (isGrouping) {
+    bool hadGroupingParens = D.hasGroupingParens();
     D.setGroupingParens(true);
 
     if (Tok.is(tok::kw___attribute))
@@ -1287,6 +1288,8 @@
     ParseDeclaratorInternal(D);
     // Match the ')'.
     MatchRHSPunctuation(tok::r_paren, StartLoc);
+
+    D.setGroupingParens(hadGroupingParens);
     return;
   }