[libc++] Enable the GDB pretty printers for Clang

[philnik777]

The GDB pretty printer test works just fine with Clang in the CI now, except that it breaks (not exactly unexpectedly) with optimizations enabled.

[llvmbot]

@llvm/pr-subscribers-libcxx

Author: Nikolas Klauser (philnik777)

Changes

The GDB pretty printer test works just fine with Clang in the CI now, except that it breaks (not exactly unexpectedly) with optimizations enabled.

---

Full diff: https://github.com/llvm/llvm-project/pull/135484.diff

1 Files Affected:

• (modified) libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp (+1-3)

diff --git a/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp b/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
index dcdce261298c1..d82842fd5ad5c 100644
--- a/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
+++ b/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
@@ -8,12 +8,10 @@
 
 // REQUIRES: host-has-gdb-with-python
 // REQUIRES: locale.en_US.UTF-8
+// REQUIRES: optimization=none
 // UNSUPPORTED: no-localization
 // UNSUPPORTED: c++03
 
-// TODO: Investigate these failures which break the CI.
-// UNSUPPORTED: clang-18, clang-19, clang-20, clang-21
-
 // The Android libc++ tests are run on a non-Android host, connected to an
 // Android device over adb. gdb needs special support to make this work (e.g.
 // gdbclient.py, ndk-gdb.py, gdbserver), and the Android organization doesn't

[mordante]

Thanks! LGTM!

[ldionne]

LGTM assuming CI is green.

[ldionne]

@philnik777 Sadly the pretty-printers seem to be failing on the architectures tested in BuildKite.

[ldionne]

This is better than the status quo.