patch to enable compilation of llvm-3.3 using gcc-4.9

llvm-3.3_gcc-4.9.diff

Index: cfe/trunk/lib/Headers/stddef.h
===================================================================
--- cfe/trunk/lib/Headers/stddef.h	(revision 201728)
+++ cfe/trunk/lib/Headers/stddef.h	(revision 201729)
@@ -1,102 +1,112 @@
 /*===---- stddef.h - Basic type definitions --------------------------------===
  *
  * Copyright (c) 2008 Eli Friedman
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  *
  *===-----------------------------------------------------------------------===
  */
 
 #ifndef __STDDEF_H
 #define __STDDEF_H
 
 #if !defined(_PTRDIFF_T) || __has_feature(modules)
 /* Always define ptrdiff_t when modules are available. */
 #if !__has_feature(modules)
 #define _PTRDIFF_T
 #endif
 typedef __PTRDIFF_TYPE__ ptrdiff_t;
 #endif
 
 #if !defined(_SIZE_T) || __has_feature(modules)
 /* Always define size_t when modules are available. */
 #if !__has_feature(modules)
 #define _SIZE_T
 #endif
 typedef __SIZE_TYPE__ size_t;
 #endif
 
 /* ISO9899:2011 7.20 (C11 Annex K): Define rsize_t if __STDC_WANT_LIB_EXT1__ is
  * enabled. */
 #if (defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 && \
      !defined(_RSIZE_T)) || __has_feature(modules)
 /* Always define rsize_t when modules are available. */
 #if !__has_feature(modules)
 #define _RSIZE_T
 #endif
 typedef __SIZE_TYPE__ rsize_t;
 #endif
 
 #ifndef __cplusplus
 /* Always define wchar_t when modules are available. */
 #if !defined(_WCHAR_T) || __has_feature(modules)
 #if !__has_feature(modules)
 #define _WCHAR_T
 #if defined(_MSC_EXTENSIONS)
 #define _WCHAR_T_DEFINED
 #endif
 #endif
 typedef __WCHAR_TYPE__ wchar_t;
 #endif
 #endif
 
 #undef NULL
 #ifdef __cplusplus
 #  if !defined(__MINGW32__) && !defined(_MSC_VER)
 #    define NULL __null
 #  else
 #    define NULL 0
 #  endif
 #else
 #  define NULL ((void*)0)
 #endif
 
 #ifdef __cplusplus
 #if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED)
 namespace std { typedef decltype(nullptr) nullptr_t; }
 using ::std::nullptr_t;
 #endif
 #endif
 
+#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
+typedef struct {
+  long long __clang_max_align_nonce1
+      __attribute__((__aligned__(__alignof__(long long))));
+  long double __clang_max_align_nonce2
+      __attribute__((__aligned__(__alignof__(long double))));
+} max_align_t;
+#define __CLANG_MAX_ALIGN_T_DEFINED
+#endif
+
 #define offsetof(t, d) __builtin_offsetof(t, d)
 
 #endif /* __STDDEF_H */
 
 /* Some C libraries expect to see a wint_t here. Others (notably MinGW) will use
 __WINT_TYPE__ directly; accommodate both by requiring __need_wint_t */
 #if defined(__need_wint_t)
 /* Always define wint_t when modules are available. */
 #if !defined(_WINT_T) || __has_feature(modules)
 #if !__has_feature(modules)
 #define _WINT_T
 #endif
 typedef __WINT_TYPE__ wint_t;
 #endif
 #undef __need_wint_t
 #endif /* __need_wint_t */
Index: cfe/trunk/test/Headers/c11.c
===================================================================
--- cfe/trunk/test/Headers/c11.c	(revision 201728)
+++ cfe/trunk/test/Headers/c11.c	(revision 201729)
@@ -1,32 +1,36 @@
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 %s
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -fmodules %s
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -ffreestanding %s
 
 noreturn int f(); // expected-error 1+{{}}
 
 #include <stdnoreturn.h>
 #include <stdnoreturn.h>
 #include <stdnoreturn.h>
 
 int g();
 noreturn int g();
 int noreturn g();
 int g();
 
 #include <stdalign.h>
 _Static_assert(__alignas_is_defined, "");
 _Static_assert(__alignof_is_defined, "");
 alignas(alignof(int)) char c[4];
 _Static_assert(__alignof(c) == 4, "");
 
 #define __STDC_WANT_LIB_EXT1__ 1
 #include <stddef.h>
 rsize_t x = 0;
+_Static_assert(sizeof(max_align_t) >= sizeof(long long), "");
+_Static_assert(alignof(max_align_t) >= alignof(long long), "");
+_Static_assert(sizeof(max_align_t) >= sizeof(long double), "");
+_Static_assert(alignof(max_align_t) >= alignof(long double), "");
 
 // If we are freestanding, then also check RSIZE_MAX (in a hosted implementation
 // we will use the host stdint.h, which may not yet have C11 support).
 #ifndef __STDC_HOSTED__
 #include <stdint.h>
 rsize_t x2 = RSIZE_MAX;
 #endif
 

We need this for compiling PANDA. This is a backup in case the original goes away.