[libc++] Remove workaround for clang-tidy 16 in the test suite setup code

[ldionne]

We have moved to clang-tidy 17 now, so the workaround shouldn't be necessary.

[llvmbot]

@llvm/pr-subscribers-libcxx

Author: Louis Dionne (ldionne)

Changes

We have moved to clang-tidy 17 now, so the workaround shouldn't be necessary.

---

Full diff: https://github.com/llvm/llvm-project/pull/69035.diff

1 Files Affected:

• (modified) libcxx/utils/libcxx/test/params.py (-5)

diff --git a/libcxx/utils/libcxx/test/params.py b/libcxx/utils/libcxx/test/params.py
index 456794b9b1cce95..0c043cc6e55ccee 100644
--- a/libcxx/utils/libcxx/test/params.py
+++ b/libcxx/utils/libcxx/test/params.py
@@ -77,11 +77,6 @@
 
 
 def getStdFlag(cfg, std):
-    # TODO(LLVM-17) Remove this clang-tidy-16 work-around
-    if std == "c++23":
-        std = "c++2b"
-    if hasCompileFlag(cfg, "-std=" + std):
-        return "-std=" + std
     # TODO(LLVM-19) Remove the fallbacks needed for Clang 16.
     fallbacks = {
         "c++23": "c++2b",