MFC r258081, r258138, r258143, r258179, r258157, r258204, 258205,

	r258206, r258207, r258321

This is a series of commits inspired on Google's gcc-4.2.1 for
Android that were taken from the gcc pre-4.3 under the GPLv2.

gcc: Backport fixes for -W parentheses in C++
	This fixes GCC 19564.
gcc: merge rs6000 change from FSF pre-gcc43
	Don't set MASK_PPC_GFXOPT for 8540 or 8548.
Merge vrp-tree fix from gcc-4.3
	Fix missed conversion from / to >> (GCC PR32521)
Merge in GCCr120505 to include definition of TREE_OVERFLOW_P
gcc: warn about integer overflow in constant expressions in the C++ frontend.
gcc: Add a new option -Wvla to warn variable length array.
libcpp: preprocessor speedup patches from upstream gcc.
gcc: add femit-struct-debug support to reduce Reduce dwarf debug size
gcc: Fix postreload-gcse treatment of call-clobbered registers.
gcc: Record some previous commits in the ChangeLog.gcc43 file.

1 files changed, 8 insertions, 0 deletions

diff --git a/contrib/gcc/cp/tree.c b/contrib/gcc/cp/tree.c
index e3391a5..eee9151 100644
--- a/contrib/gcc/cp/tree.c
+++ b/contrib/gcc/cp/tree.c
@@ -1762,6 +1762,14 @@ pod_type_p (tree t)
   return 1;
 }
 
+/* Nonzero iff type T is a class template implicit specialization.  */
+
+bool
+class_tmpl_impl_spec_p (tree t)
+{
+  return CLASS_TYPE_P (t) && CLASSTYPE_TEMPLATE_INSTANTIATION (t);
+}
+
 /* Returns 1 iff zero initialization of type T means actually storing
    zeros in it.  */