gcc-4.6.0: Bring in patches from FSF 4.6 branch

This brings in new patches from 4.6 release branch
updates the comment section of existing branch to not
contain patch numbers.

Tested build on qemu for arm ppc mips x86 and x86_64

(From OE-Core rev: 3968f33b6542cf20cf63cf49bfbc033bd2486295)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0303-PR-c-48780.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0303-PR-c-48780.patch
new file mode 100644
index 0000000000..3dbb293b27
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0303-PR-c-48780.patch
@@ -0,0 +1,49 @@
+From 3f78a3111fdfffc067bff19d0d42ffb1040e0fe5 Mon Sep 17 00:00:00 2001
+From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Sun, 22 May 2011 00:28:44 +0000
+Subject: [PATCH]        PR c++/48780
+        * cvt.c (type_promotes_to): Warn about promoting scoped enums.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174022 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index ce4f985..d26d870 100644
+--- a/gcc/cp/cvt.c
++++ b/gcc/cp/cvt.c
+@@ -1621,6 +1621,9 @@ type_promotes_to (tree type)
+       int precision = MAX (TYPE_PRECISION (type),
+                           TYPE_PRECISION (integer_type_node));
+       tree totype = c_common_type_for_size (precision, 0);
++      if (SCOPED_ENUM_P (type))
++       warning (OPT_Wabi, "scoped enum %qT will not promote to an integral "
++                "type in a future version of GCC", type);
+       if (TREE_CODE (type) == ENUMERAL_TYPE)
+        type = ENUM_UNDERLYING_TYPE (type);
+       if (TYPE_UNSIGNED (type)
+new file mode 100644
+index 0000000..ec02d3b
+--- /dev/null
++++ b/gcc/testsuite/g++.dg/cpp0x/enum13.C
+@@ -0,0 +1,20 @@
++// PR c++/48780
++// { dg-options "-std=c++0x -fabi-version=5 -Wabi" }
++
++typedef __builtin_va_list __gnuc_va_list;
++typedef __gnuc_va_list va_list;
++
++enum struct A : short { X };
++
++void foo(int x, ...) {
++   va_list vl;
++   __builtin_va_start(vl, x);
++   enum A t = __builtin_va_arg(vl, enum A); // { dg-warning "promote" }
++   __builtin_va_end(vl);
++}
++
++int main() {
++   foo(0, A::X);               // { dg-warning "will not promote" }
++}
++
++// { dg-prune-output "note" }
+-- 
+1.7.0.4
+