diff --git a/libcxx/utils/libcxx/test/params.py b/libcxx/utils/libcxx/test/params.py
--- a/libcxx/utils/libcxx/test/params.py
+++ b/libcxx/utils/libcxx/test/params.py
@@ -7,7 +7,7 @@
 #===----------------------------------------------------------------------===##
 
 from libcxx.test.dsl import *
-from libcxx.test.features import _isMSVC
+from libcxx.test.features import _isGCC
 import re
 
 _warningFlags = [
@@ -179,9 +179,10 @@
               # to make it link against the static libc++experimental.lib.
               # We can't check for the feature 'msvc' in available_features
               # as those features are added after processing parameters.
+              # TODO AppleClang: Use -fexperimental-library when updating to AppleClang 15
               AddFeature('c++experimental'),
-              PrependLinkFlag(lambda cfg: '-llibc++experimental' if _isMSVC(cfg) else '-lc++experimental'),
-              AddCompileFlag('-D_LIBCPP_ENABLE_EXPERIMENTAL'),
+              PrependLinkFlag(lambda cfg: '-lc++experimental' if _isGCC(cfg) or _isAppleClang(cfg) else '-fexperimental-library'),
+              AddCompileFlag(lambda cfg: '-D_LIBCPP_ENABLE_EXPERIMENTAL' if _isGCC(cfg) or _isAppleClang(cfg) else '-fexperimental-library'),
             ] if experimental else [
               AddFeature('libcpp-has-no-incomplete-format'),
             ]),