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Disable the deprecated function warning on __malloc_hook.

This just works around the deprecation in glibc 2.14. I
do worry what will happen if they follow through and
remove it in 2.15.

--- a/tests/test_opus_api.c

+++ b/tests/test_opus_api.c

@@ -1160,6 +1160,14 @@

 }

 #ifdef MALLOC_FAIL

+/* GLIBC 2.14 declares __malloc_hook as deprecated, generating a warning

+ * under GCC. However, this is the cleanest way to test malloc failure

+ * handling in our codebase, and the lack of thread saftey isn't an

+ * issue here. We therefore disable the warning for this function.

+ */

+#pragma GCC diagnostic push

+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

+

 typedef void *(*mhook)(size_t __size, __const __malloc_ptr_t);

 #endif

@@ -1244,6 +1252,10 @@

    return cfgs;

 #endif

 }

+

+#ifdef MALLOC_FAIL

+#pragma GCC diagnostic pop /* restore -Wdeprecated-declarations */

+#endif

 int main(int _argc, char **_argv)

 {