gecko: unbreak with clang/libc++ 4.0

In file included from mozilla/ipc/contentproc/plugin-container.cpp:7:
In file included from ../../dist/include/nsXPCOM.h:10:
In file included from ../../dist/include/nscore.h:20:
In file included from ../../dist/include/mozilla/mozalloc.h:16:
In file included from objdir/dist/stl_wrappers/new:44:
In file included from objdir/dist/system_wrappers/new:3:
/usr/include/c++/v1/new:132:1: error: function declared '[[noreturn]]' after its first declaration
_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_bad_alloc();  // not in C++ spec
^
/usr/include/c++/v1/__config:273:30: note: expanded from macro '_LIBCPP_NORETURN'
 #  define _LIBCPP_NORETURN [[noreturn]]
                              ^
../../dist/include/mozilla/throw_gcc.h:35:1: note: declaration missing '[[noreturn]]' attribute is here
__throw_bad_alloc(void)
^

PR:		216186
Submitted by:	dim
Obtained from:	upstream

1 files changed, 154 insertions, 0 deletions

diff --git a/www/firefox/files/patch-bug1329520 b/www/firefox/files/patch-bug1329520
new file mode 100644
index 000000000000..892a338dc8c3
--- /dev/null
+++ b/www/firefox/files/patch-bug1329520
@@ -0,0 +1,154 @@
+commit 8b0557b033b9
+Author: Dimitry Andric <dimitry>
+Date:   Fri Jan 27 13:55:00 2017 +0100
+
+    Bug 1329520 - Fix "memory/mozalloc/throw_gcc.h:35:1: note: declaration missing '[[noreturn]]' (libc++ 4.0)" r=nfroyd
+---
+ memory/mozalloc/throw_gcc.h | 47 ++++++++++++++++++++++++++++++---------------
+ 1 file changed, 31 insertions(+), 16 deletions(-)
+
+diff --git memory/mozalloc/throw_gcc.h memory/mozalloc/throw_gcc.h
+index 18027e04a4a3..4264df63d493 100644
+--- memory/mozalloc/throw_gcc.h
++++ memory/mozalloc/throw_gcc.h
+@@ -19,104 +19,117 @@
+ 
+ #include "mozilla/mozalloc_abort.h"
+ 
++// libc++ 4.0.0 and higher use C++11 [[noreturn]] attributes for the functions
++// below, and since clang does not allow mixing __attribute__((noreturn)) and
++// [[noreturn]], we have to explicitly use the latter here.  See bug 1329520.
++#if defined(__clang__)
++#  if __has_feature(cxx_attributes) && \
++      defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 4000
++#    define MOZ_THROW_NORETURN [[noreturn]]
++#  endif
++#endif
++#ifndef MOZ_THROW_NORETURN
++#  define MOZ_THROW_NORETURN MOZ_NORETURN
++#endif
++
+ namespace std {
+ 
+ // NB: user code is not supposed to touch the std:: namespace.  We're
+ // doing this after careful review because we want to define our own
+ // exception throwing semantics.  Don't try this at home!
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_bad_exception(void)
+ {
+     mozalloc_abort("fatal: STL threw bad_exception");
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_bad_alloc(void)
+ {
+     mozalloc_abort("fatal: STL threw bad_alloc");
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_bad_cast(void)
+ {
+     mozalloc_abort("fatal: STL threw bad_cast");
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_bad_typeid(void)
+ {
+     mozalloc_abort("fatal: STL threw bad_typeid");
+ }
+ 
+ // used by <functional>
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_bad_function_call(void)
+ {
+     mozalloc_abort("fatal: STL threw bad_function_call");
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_logic_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_domain_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_invalid_argument(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_length_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_out_of_range(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_runtime_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_range_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_overflow_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_underflow_error(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_ios_failure(const char* msg)
+ {
+     mozalloc_abort(msg);
+ }
+ 
+-MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
++MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+ __throw_system_error(int err)
+ {
+     char error[128];
+@@ -127,4 +140,6 @@ __throw_system_error(int err)
+ 
+ } // namespace std
+ 
++#undef MOZ_THROW_NORETURN
++
+ #endif  // mozilla_throw_gcc_h