Keep shared 3.15 allowlist entries

Author: JelleZijlstra

stdlib/@tests/stubtest_allowlists/py315.txt

@@ -130,6 +130,11 @@ mailbox.Mailbox.__exit__
 mailbox._ProxyFile.__class_getitem__
 marshal.dump
 marshal.dumps
+math.fmax
+math.fmin
+math.isnormal
+math.issubnormal
+math.signbit
 multiprocessing.context.BaseContext.set_forkserver_preload
 multiprocessing.forkserver.ForkServer.set_forkserver_preload
 multiprocessing.forkserver.main
@@ -192,6 +197,8 @@ profiling.sampling.sample
 profiling.sampling.stack_collector
 profiling.sampling.string_table
 profiling.tracing
+pydoc.Doc.STDLIB_DIR
+pydoc.Doc.getdocloc
 site.addsitedir
 site.addsitepackages
 site.addusersitepackages
@@ -214,6 +221,7 @@ threading.__all__
 threading.concurrent_tee
 threading.serialize_iterator
 threading.synchronized_iterator
+timeit.Timer.autorange
 tkinter.Grid.content
 tkinter.Grid.grid_content
 tkinter.Image.__iter__