Re-enable test after LLVM roll (#21982)

Author: kripken

test/other/metadce/test_metadce_files_wasmfs.funcs

@@ -40,6 +40,7 @@ $main
 $memcmp
 $memmove
 $operator\20delete\28void*\29
+$operator\20delete\28void*\2c\20unsigned\20long\29
 $operator\20new\28unsigned\20long\29
 $pthread_mutex_init
 $sbrk
@@ -80,9 +81,9 @@ $std::__2::vector<unsigned\20char\2c\20std::__2::allocator<unsigned\20char>>::__
 $std::__2::vector<wasmfs::MemoryDirectory::ChildEntry\2c\20std::__2::allocator<wasmfs::MemoryDirectory::ChildEntry>>::erase\5babi:nn180100\5d\28std::__2::__wrap_iter<wasmfs::MemoryDirectory::ChildEntry\20const*>\29
 $std::__throw_bad_alloc\28\29
 $strlen
-$void\20std::__2::__libcpp_operator_delete\5babi:nn180100\5d<void*>\28void*\29
 $wasmfs::DataFile::Handle::flush\28\29
 $wasmfs::DataFile::Handle::write\28unsigned\20char\20const*\2c\20unsigned\20long\2c\20long\20long\29
+$wasmfs::Directory::Entry*\20std::__2::vector<wasmfs::Directory::Entry\2c\20std::__2::allocator<wasmfs::Directory::Entry>>::__push_back_slow_path<wasmfs::Directory::Entry>\28wasmfs::Directory::Entry&&\29
 $wasmfs::Directory::Handle::cacheChild\28std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>\20const&\2c\20std::__2::shared_ptr<wasmfs::File>\2c\20wasmfs::Directory::DCacheKind\29
 $wasmfs::Directory::Handle::getChild\28std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>\20const&\29
 $wasmfs::Directory::Handle::insertDirectory\28std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>\20const&\2c\20unsigned\20int\29

test/other/metadce/test_metadce_files_wasmfs.size

@@ -1 +1 @@
-50961
+51023

test/test_other.py

@@ -8631,8 +8631,7 @@ def test_metadce_libcxxabi_message(self, *args):
 
   @parameterized({
     'js_fs':  (['-O3', '-sNO_WASMFS'], [], []), # noqa
-    # XXX disabled for LLVM roll
-    # 'wasmfs': (['-O3', '-sWASMFS'],    [], []), # noqa
+    'wasmfs': (['-O3', '-sWASMFS'],    [], []), # noqa
   })
   def test_metadce_files(self, *args):
     self.run_metadce_test('files.cpp', *args)