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-rw-r--r--stdlib/stdlib.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index aa5f514caa..dd78744539 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -597,8 +597,11 @@ __END_NAMESPACE_STD
__BEGIN_NAMESPACE_STD
/* Re-allocate the previously allocated block
in PTR, making the new block SIZE bytes long. */
+/* __attribute_malloc__ is not used, because if realloc returns
+ the same pointer that was passed to it, aliasing needs to be allowed
+ between objects pointed by the old and new pointers. */
extern void *realloc (void *__ptr, size_t __size)
- __THROW __attribute_malloc__ __attribute_warn_unused_result__;
+ __THROW __attribute_warn_unused_result__;
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
extern void free (void *__ptr) __THROW;
__END_NAMESPACE_STD