Added a comment, minor refactoring of foreach parsing code per Chris's suggestion.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45601 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/Parse/ParseDecl.cpp b/Parse/ParseDecl.cpp
index dccc00e671..99be5caf3f 100644
--- a/Parse/ParseDecl.cpp
+++ b/Parse/ParseDecl.cpp
@@ -296,6 +296,9 @@ ParseInitDeclaratorListAfterFirstDeclarator(Declarator &D) {
     ConsumeToken();
     return Actions.FinalizeDeclaratorGroup(CurScope, LastDeclInGroup);
   }
+  // If this is an ObjC2 for-each loop, this is a successful declarator
+  // parse.  The syntax for these looks like:
+  // 'for' '(' declaration 'in' expr ')' statement
   if (D.getContext()  == Declarator::ForContext && isTokIdentifier_in()) {
     return Actions.FinalizeDeclaratorGroup(CurScope, LastDeclInGroup);
   }