diff -up mozilla-central/memory/jemalloc/jemalloc.h.jemalloc mozilla-central/memory/jemalloc/jemalloc.h
--- mozilla-central/memory/jemalloc/jemalloc.h.jemalloc	2010-07-21 02:52:33.000000000 +0200
+++ mozilla-central/memory/jemalloc/jemalloc.h	2010-07-28 09:10:06.569525680 +0200
@@ -42,12 +42,12 @@ extern const char *_malloc_options;
 
 /* Darwin and Linux already have memory allocation functions */
 #if (!defined(MOZ_MEMORY_DARWIN) && !defined(MOZ_MEMORY_LINUX))
-void	*malloc(size_t size);
-void	*valloc(size_t size);
-void	*calloc(size_t num, size_t size);
-void	*realloc(void *ptr, size_t size);
-void	free(void *ptr);
-int	posix_memalign(void **memptr, size_t alignment, size_t size);
+void	*malloc(size_t size)  __THROW __attribute_malloc__ __wur;
+void	*valloc(size_t size)  __THROW __attribute_malloc__ __wur;
+void	*calloc(size_t num, size_t size)  __THROW __attribute_malloc__ __wur;
+void	*realloc(void *ptr, size_t size)  __THROW __attribute_malloc__ __wur;
+void	free(void *ptr)  __THROW __attribute_malloc__ __wur;
+int	posix_memalign(void **memptr, size_t alignment, size_t size)  __THROW __attribute_malloc__ __wur;
 #endif /* MOZ_MEMORY_DARWIN, MOZ_MEMORY_LINUX */
 
 #if defined(MOZ_MEMORY_ANDROID) || defined(WRAP_MALLOC)