Un-force-inline do_rallocx.

The additional overhead of the function-call setup and flags checking is
relatively small, but costs us the replication of the entire realloc pathway in
terms of size.

src/jemalloc.c

@@ -3418,7 +3418,7 @@ irallocx_prof(tsd_t *tsd, void *old_ptr, size_t old_usize, size_t size,
 	return p;
 }
 
-JEMALLOC_ALWAYS_INLINE void *
+static void *
 do_rallocx(void *ptr, size_t size, int flags, bool is_realloc) {
 	void *p;
 	tsd_t *tsd;