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

2 files changed, 6 insertions, 1 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 7d1a9bb4b6..c541a1336f 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1279,6 +1279,7 @@ void Parser::ParseParenDeclarator(Declarator &D) {
   // 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 @@ void Parser::ParseParenDeclarator(Declarator &D) {
     ParseDeclaratorInternal(D);
     // Match the ')'.
     MatchRHSPunctuation(tok::r_paren, StartLoc);
+
+    D.setGroupingParens(hadGroupingParens);
     return;
   }
   
diff --git a/test/SemaCXX/direct-initializer.cpp b/test/SemaCXX/direct-initializer.cpp
index bb0aab6500..c756e473dd 100644
--- a/test/SemaCXX/direct-initializer.cpp
+++ b/test/SemaCXX/direct-initializer.cpp
@@ -1,8 +1,10 @@
-// RUN: clang -fsyntax-only %s 
+// RUN: clang -fsyntax-only -verify %s 
 
 int x(1);
+int (x2)(1);
 
 void f() {
   int x(1);
+  int (x2)(1); // expected-warning {{statement was disambiguated as declaration}}
   for (int x(1);;) {}
 }