--- gcc-4.8.2.orig/gcc/config/arm/t-arm-elf	2013-01-10 20:38:27.000000000 +0000
+++ gcc-4.8.2/gcc/config/arm/t-arm-elf	2013-12-28 22:54:59.000000000 +0000
@@ -25,22 +25,36 @@
 #MULTILIB_DIRNAMES    += fa526 fa626 fa606te fa626te fmp626 fa726te
 #MULTILIB_EXCEPTIONS  += *mthumb*/*mcpu=fa526 *mthumb*/*mcpu=fa626
 
+# build a bunch of specialized versions of libcc for particular cores
+#MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm920t/mcpu=arm926ej-s/mcpu=arm1136j-s/mcpu=arm1136jf-s/mcpu=arm1176jz-s/mcpu=arm1176jzf-s/mcpu=xscale/mcpu=mpcore/mcpu=cortex-a8/cortex-a9/march=armv4t/march=armv5t/march=armv5te/march=armv6/march=armv6j/march=armv6k/march=armv6z/march=armv6zk/march=armv7-a/march=armv7-r
+#MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm920t arm926ej-s arm1136j-s arm1136jf-s arm1176jz-s arm1176jzf-s xscale mpcore cortex-a8 cortex-a9 cortex-m3 armv4t armv5t armv5te armv6 armv6j armv6k armv6z armv6zk armv7-a armv7-r
+#MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm920t/mcpu=arm926ej-s/mcpu=arm1136j-s/mcpu=arm1136jf-s/mcpu=arm1176jz-s/mcpu=arm1176jzf-s/mcpu=xscale/mcpu=mpcore/mcpu=cortex-a8/mcpu=cortex-a9
+#MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm920t arm926ej-s arm1136j-s arm1136jf-s arm1176jz-s arm1176jzf-s xscale mpcore cortex-a8 cortex-a9
+
+MULTILIB_OPTIONS      += march=armv7
+MULTILIB_DIRNAMES     += thumb2
+MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+MULTILIB_MATCHES      += march?armv7=march?armv7-a
+MULTILIB_MATCHES      += march?armv7=march?armv7-r
+MULTILIB_MATCHES      += march?armv7=march?armv7-m
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a15
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a9
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m4
+MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+
+#MULTILIB_OPTIONS      += mfpu=vfp
+#MULTILIB_DIRNAMES     += vfp
+#MULTILIB_MATCHES      += mfpu?vfp=mcpu?arm1136jf-s
+#MULTILIB_MATCHES      += mfpu?vfp=mcpu?arm1136jzf-s
-#MULTILIB_OPTIONS      += march=armv7
-#MULTILIB_DIRNAMES     += thumb2
-#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
-#MULTILIB_MATCHES      += march?armv7=march?armv7-a
-#MULTILIB_MATCHES      += march?armv7=march?armv7-r
-#MULTILIB_MATCHES      += march?armv7=march?armv7-m
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
 
 # Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
 # express that here?  Also, we really need architecture v5e or later
 # (mcrr etc).
+#MULTILIB_OPTIONS       += mfloat-abi=hard
+#MULTILIB_DIRNAMES      += fpu
+#MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
-MULTILIB_OPTIONS       += mfloat-abi=hard
-MULTILIB_DIRNAMES      += fpu
-MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa526/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa626/*mfloat-abi=hard*
 
@@ -56,8 +70,8 @@
 # MULTILIB_DIRNAMES   += fpu soft
 # MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
 # 
+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES   += normal interwork
-# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
-# MULTILIB_DIRNAMES   += normal interwork
 # 
 # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
 # MULTILIB_DIRNAMES   += elf under
reverted:
--- gcc-4.8.2.orig/gcc/config/i386/t-x86_64-elf	1970-01-01 01:00:00.000000000 +0100
+++ gcc-4.8.2/gcc/config/i386/t-x86_64-elf	2013-12-29 12:47:35.000000000 +0000
@@ -0,0 +1,4 @@
+# Add redzoneless libgcc
+
+MULTILIB_OPTIONS  += mno-red-zone
+MULTILIB_DIRNAMES += no-red-zone
\ No newline at end of file
reverted:
--- gcc-4.8.2.orig/gcc/config.gcc	2013-10-03 01:47:24.000000000 +0100
+++ gcc-4.8.2/gcc/config.gcc	2013-12-29 12:06:18.000000000 +0000
@@ -1213,6 +1213,7 @@
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
 	;;
 x86_64-*-elf*)
+	tmake_file="${tmake_file} i386/t-x86_64-elf"
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
 	;;
 i[34567]86-*-rdos*)


commit c75b90dacb047d2bf690925c9b45100accb85b98
Author: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Thu Jul 21 06:16:17 2016 +0000

    	PR c++/71092 - ICE with array and constexpr.
    
    	* constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
    	threw away DECL_SAVED_TREE.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@238574 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c
index 5f434aa..fba7905 100644
--- a/gcc/cp/constexpr.c
+++ b/gcc/cp/constexpr.c
@@ -1450,9 +1450,19 @@ cxx_eval_call_expression (const constexpr_ctx *ctx, tree t,
     }
   else
     {
-      if (!result || result == error_mark_node)
+      if (result && result != error_mark_node)
+	/* OK */;
+      else if (!DECL_SAVED_TREE (fun))
+	{
+	  /* When at_eof >= 2, cgraph has started throwing away
+	     DECL_SAVED_TREE, so fail quietly.  FIXME we get here because of
+	     late code generation for VEC_INIT_EXPR, which needs to be
+	     completely reconsidered.  */
+	  gcc_assert (at_eof >= 2 && ctx->quiet);
+	  *non_constant_p = true;
+	}
+      else
 	{
-	  gcc_assert (DECL_SAVED_TREE (fun));
 	  tree body, parms, res;
 
 	  /* Reuse or create a new unshared copy of this function's body.  */
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-array17.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-array17.C
new file mode 100644
index 0000000..c6afa50
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-array17.C
@@ -0,0 +1,61 @@
+// PR c++/71092
+// { dg-do compile { target c++11 } }
+
+template <typename _Default> struct A { using type = _Default; };
+template <typename _Default, template <typename> class>
+using __detected_or = A<_Default>;
+template <typename _Default, template <typename> class _Op>
+using __detected_or_t = typename __detected_or<_Default, _Op>::type;
+template <typename _Tp> struct B { typedef _Tp value_type; };
+struct C {
+  template <typename _Tp> using __pointer = typename _Tp::pointer;
+};
+template <typename _Alloc> struct J : C {
+  using pointer = __detected_or_t<typename _Alloc::value_type *, __pointer>;
+};
+template <typename _T1> void _Construct(_T1 *) { new _T1; }
+struct D {
+  template <typename _ForwardIterator, typename _Size>
+  static _ForwardIterator __uninit_default_n(_ForwardIterator p1, _Size) {
+    _Construct(p1);
+  }
+};
+template <typename _ForwardIterator, typename _Size>
+void __uninitialized_default_n(_ForwardIterator p1, _Size) {
+  D::__uninit_default_n(p1, 0);
+}
+template <typename _ForwardIterator, typename _Size, typename _Tp>
+void __uninitialized_default_n_a(_ForwardIterator p1, _Size, _Tp) {
+  __uninitialized_default_n(p1, 0);
+}
+template <typename> struct __shared_ptr {
+  constexpr __shared_ptr() : _M_ptr(), _M_refcount() {}
+  int _M_ptr;
+  int _M_refcount;
+};
+template <typename _Alloc> struct F {
+  typedef _Alloc _Tp_alloc_type;
+  struct G {
+    typename J<_Tp_alloc_type>::pointer _M_start;
+    G(_Tp_alloc_type);
+  };
+  F(int, _Alloc p2) : _M_impl(p2) {}
+  G _M_impl;
+};
+template <typename _Tp, typename _Alloc = B<_Tp>> struct K : F<_Alloc> {
+  typedef _Alloc allocator_type;
+  K(int, allocator_type p2 = allocator_type()) : F<_Alloc>(0, p2) {
+    __uninitialized_default_n_a(this->_M_impl._M_start, 0, 0);
+  }
+};
+struct H {
+  H();
+  struct I {
+    __shared_ptr<int> trigger[1];
+  };
+  __shared_ptr<int> resetTrigger_;
+  K<I> states_;
+  __shared_ptr<int> triggerManager_;
+};
+__shared_ptr<int> a;
+H::H() : states_(0), triggerManager_(a) {}