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-rw-r--r--include/stddef.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/stddef.h b/include/stddef.h
index dfae9a12..ba40122a 100644
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -19,6 +19,8 @@ typedef void *nullptr_t;
#define offsetof(__type, __member) __builtin_offsetof(__type, __member)
#endif
+#define unreachable() __builtin_unreachable()
+
typedef __WCHAR_TYPE__ wchar_t;
typedef __SIZE_TYPE__ ptrdiff_t;
typedef __SIZE_TYPE__ size_t;