Update tcc

base/tools/tcc/include/stddef.h

@@ -8,33 +8,20 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 typedef __PTRDIFF_TYPE__ intptr_t;
 typedef __SIZE_TYPE__ uintptr_t;
 
-#ifndef __int8_t_defined
-#define __int8_t_defined
-typedef signed char int8_t;
-typedef signed short int int16_t;
-typedef signed int int32_t;
-#ifdef __LP64__
-typedef signed long int int64_t;
-#else
-typedef signed long long int int64_t;
-#endif
-typedef unsigned char uint8_t;
-typedef unsigned short int uint16_t;
-typedef unsigned int uint32_t;
-#ifdef __LP64__
-typedef unsigned long int uint64_t;
-#else
-typedef unsigned long long int uint64_t;
-#endif
+#if __STDC_VERSION__ >= 201112L
+typedef union { long long __ll; long double __ld; } max_align_t;
 #endif
 
 #ifndef NULL
 #define NULL ((void*)0)
 #endif
 
+#undef offsetof
 #define offsetof(type, field) ((size_t)&((type *)0)->field)
 
+#if defined __i386__ || defined __x86_64__
 void *alloca(size_t size);
+#endif
 
 #endif