SDL_Assume on low assert levels.

Author: devnexen

include/SDL3/SDL_assert.h

@@ -82,7 +82,7 @@ assert can have unique static variables associated with it.
 
 #if defined(_MSC_VER) && (_MSC_VER > 1400)
     #define SDL_Assume(cond) __assume(cond)
-#elif _SDL_HAS_BUILTIN(__builtin_assume)
+#elif SDL_HAS_BUILTIN(__builtin_assume)
     #define SDL_Assume(cond) __builtin_assume(cond)
 #elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)))
     #define SDL_Assume(cond) do {						\
@@ -125,8 +125,7 @@ disable assertions.
 #define SDL_NULL_WHILE_LOOP_CONDITION (0)
 #endif
 
-#define SDL_disabled_assert(condition) \
-    do { (void) sizeof ((condition)); } while (SDL_NULL_WHILE_LOOP_CONDITION)
+#define SDL_disabled_assert(condition) SDL_Assume(condition)
 
 typedef enum
 {