[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.

This source drop uses svn version r212828 of google/gcc-4.9 branch.
We also cherry-picked r213062, r213063 and r213064 to fix windows
build issues.
All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9.
The following prior commits has not been merged to google branch yet.
(They are included in this commit).
e7af147f979e657fe2df00808e5b4319b0e088c6,
baf87df3cb2683649ba7e9872362a7e721117c23, and
c231900e5dcc14d8296bd9f62b45997a49d4d5e7.

Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b

1 files changed, 9 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/cp/parser.h b/gcc-4.9/gcc/cp/parser.h
index d558c607f..628d1ae65 100644
--- a/gcc-4.9/gcc/cp/parser.h
+++ b/gcc-4.9/gcc/cp/parser.h
@@ -350,6 +350,15 @@ typedef struct GTY(()) cp_parser {
      outermost class being defined is complete.  */
   vec<cp_unparsed_functions_entry, va_gc> *unparsed_queues;
 
+  /* A list of attributes whose arguments are not yet parsed. The
+     TREE_VALUE of each list node contains a delayed attribute.
+     The argument of the attribute (i.e. TREE_VALUE of the attribute)
+     is a special tree list node, where the TREE_PURPOSE is error_mark_node
+     and the TREE_VALUE points to the cached tokens of the arguments.
+     This list is processed once the outermost class being defined is
+     complete.  */
+  tree unparsed_attribute_args_queue;
+
   /* The number of classes whose definitions are currently in
      progress.  */
   unsigned num_classes_being_defined;