aot_runtime.c: Add static assertions for some offset assumptions (#1103)

core/shared/utils/bh_assert.h

@@ -22,6 +22,19 @@ bh_assert_internal(int v, const char *file_name, int line_number,
 #define bh_assert(expr) (void)0
 #endif /* end of BH_DEBUG */
 
+#if !defined(__has_extension)
+#define __has_extension(a) 0
+#endif
+
+#if __STDC_VERSION__ >= 201112L                                          \
+    || (defined(__GNUC__) && __GNUC__ * 0x100 + __GNUC_MINOR__ >= 0x406) \
+    || __has_extension(c_static_assert)
+
+#define bh_static_assert(expr) _Static_assert(expr, #expr)
+#else
+#define bh_static_assert(expr) /* nothing */
+#endif
+
 #ifdef __cplusplus
 }
 #endif