Correctly fix the issue

Author: vogelsgesang

lldb/test/API/lang/cpp/libcxx-internals-recognizer/TestLibcxxInternalsRecognizer.py

@@ -3,12 +3,13 @@
 from lldbsuite.test.lldbtest import *
 from lldbsuite.test import lldbutil
 
+import re
 
 class LibCxxInternalsRecognizerTestCase(TestBase):
     NO_DEBUG_INFO_TESTCASE = True
 
     @add_test_categories(["libc++"])
-    @skipIf(compiler="clang", compiler_version=["<", "18.0"])
+    @skipIf(compiler="clang", compiler_version=["<", "16.0"])
     def test_frame_recognizer(self):
         """Test that implementation details of libc++ are hidden"""
         self.build()
@@ -22,7 +23,7 @@ def test_frame_recognizer(self):
             # We never hide the frame of the entry-point into the standard library, even
             # if the name starts with `__` which usually indicates an internal function.
             "ranges_sort_less(int, int)": [
-                "ranges::__sort::operator()",
+                re.compile("ranges::__sort::(__fn::)?operator\(\)"),
                 "test_algorithms",
             ],
             # `ranges::views::transform` internally uses `std::invoke`, and that
@@ -58,9 +59,11 @@ def test_frame_recognizer(self):
                 ):
                     frame_id = frame_id + 1
                 # Expect the correct parent frame
-                self.assertIn(
-                    expected_parent, thread.GetFrameAtIndex(frame_id).GetFunctionName()
-                )
+                func_name = thread.GetFrameAtIndex(frame_id).GetFunctionName()
+                if isinstance(expected_parent, re.Pattern):
+                    self.assertTrue(expected_parent.search(func_name) is not None, f"'{expected_parent}' not found in '{func_name}'")
+                else:
+                    self.assertIn(expected_parent, func_name)
                 frame_id = frame_id + 1
             process.Continue()