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-rw-r--r--internal.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/internal.h b/internal.h
index 6956427a78..3f57523bd3 100644
--- a/internal.h
+++ b/internal.h
@@ -1639,7 +1639,12 @@ RUBY_SYMBOL_EXPORT_END
rb_wb_unprotected_newobj_of(klass, flags))
#define NEWOBJ_OF(obj,type,klass,flags) RB_NEWOBJ_OF(obj,type,klass,flags)
-void *rb_aligned_malloc(size_t, size_t);
+#ifdef __has_attribute
+#if __has_attribute(alloc_align)
+__attribute__((__alloc_align__(1)))
+#endif
+#endif
+void *rb_aligned_malloc(size_t, size_t) RUBY_ATTR_MALLOC RUBY_ATTR_ALLOC_SIZE((2));
void rb_aligned_free(void *);
/* hash.c */