From c7f70893923cd0a9d3be79b352e2674a87ad8127 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Mon, 10 Sep 2018 15:55:39 -0400
Subject: [PATCH] drop patches on top of clang's C headers

We now match clang 7.0.0rc3 exactly.

See https://reviews.llvm.org/D51265 for more details.
---
 c_headers/stdarg.h |  7 -------
 c_headers/stddef.h | 38 --------------------------------------
 2 files changed, 45 deletions(-)

diff --git a/c_headers/stdarg.h b/c_headers/stdarg.h
index d603d353f5..101426fff1 100644
--- a/c_headers/stdarg.h
+++ b/c_headers/stdarg.h
@@ -26,14 +26,10 @@
 #ifndef __STDARG_H
 #define __STDARG_H
 
-/* zig: added because macos _va_list.h was duplicately defining va_list
- */
 #ifndef _VA_LIST
-#ifndef _VA_LIST_T
 typedef __builtin_va_list va_list;
 #define _VA_LIST
 #endif
-#endif
 #define va_start(ap, param) __builtin_va_start(ap, param)
 #define va_end(ap)          __builtin_va_end(ap)
 #define va_arg(ap, type)    __builtin_va_arg(ap, type)
@@ -50,9 +46,6 @@ typedef __builtin_va_list va_list;
 #ifndef __GNUC_VA_LIST
 #define __GNUC_VA_LIST 1
 typedef __builtin_va_list __gnuc_va_list;
-/* zig: added because glibc stdio.h was duplicately defining va_list
- */
-#define _VA_LIST_DEFINED
 #endif
 
 #endif /* __STDARG_H */
diff --git a/c_headers/stddef.h b/c_headers/stddef.h
index 3b55d42c30..7354996711 100644
--- a/c_headers/stddef.h
+++ b/c_headers/stddef.h
@@ -48,13 +48,7 @@
 #if !__has_feature(modules)
 #define _PTRDIFF_T
 #endif
-
-/* Zig: wrap in _PTRDIFF_T_DEFINED to protect against mingw defining it twice */
-#if !defined(_PTRDIFF_T_DEFINED)
 typedef __PTRDIFF_TYPE__ ptrdiff_t;
-#define _PTRDIFF_T_DEFINED
-#endif
-
 #endif
 #undef __need_ptrdiff_t
 #endif /* defined(__need_ptrdiff_t) */
@@ -65,24 +59,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 #if !__has_feature(modules)
 #define _SIZE_T
 #endif
-
-/* Zig: added to avoid collisions with mingw */
-#if !defined(_SIZE_T_DEFINED_)
-#if !defined(_SIZE_T_DEFINED)
-#if !defined(_BSD_SIZE_T_DEFINED_)
-#if !defined(_SIZE_T_DECLARED)
 typedef __SIZE_TYPE__ size_t;
-#define _SIZE_T_DEFINED_
-#define _SIZE_T_DEFINED
-#define _BSD_SIZE_T_DEFINED_
-#define _SIZE_T_DECLARED
-#endif
-#endif
-#endif
-#endif
-
-
-
 #endif
 #undef __need_size_t
 #endif /*defined(__need_size_t) */
@@ -110,22 +87,7 @@ typedef __SIZE_TYPE__ rsize_t;
 #define _WCHAR_T_DEFINED
 #endif
 #endif
-
-/* zig added to prevent duplicate definition with mingw */
-#if !defined(__INT_WCHAR_T_H)
-#if !defined(_GCC_WCHAR_T)
-#if !defined(_WCHAR_T_DECLARED)
-#if !defined(_WCHAR_T_DEFINED)
-#define __INT_WCHAR_T_H
-#define _GCC_WCHAR_T
-#define _WCHAR_T_DECLARED
-#define _WCHAR_T_DEFINED
 typedef __WCHAR_TYPE__ wchar_t;
-#endif
-#endif
-#endif
-#endif
-
 #endif
 #endif
 #undef __need_wchar_t