Revert "Mark PPC64LE Fedora Stable Clang as unstable (#696)" (#727)

The worker got updated to Fedora 44, where the Clang bug is resolved.

This reverts commit 6fc5c7c.

Author: stratakis

master/custom/builders.py

@@ -159,6 +159,7 @@
     ("s390x RHEL8 LTO + PGO", "cstratak-rhel8-s390x", LTOPGONonDebugBuild),
 
     # Fedora Linux ppc64le Clang
+    ("PPC64LE Fedora Stable Clang", "cstratak-fedora-stable-ppc64le", ClangUnixBuild),
     ("PPC64LE Fedora Stable Clang Installed", "cstratak-fedora-stable-ppc64le", ClangUnixInstalledBuild),
 
     # Linux armv7l (32-bit) GCC
@@ -307,10 +308,6 @@
     ("PPC64LE Fedora Rawhide Clang", "cstratak-fedora-rawhide-ppc64le", ClangUnixBuild),
     ("PPC64LE Fedora Rawhide Clang Installed", "cstratak-fedora-rawhide-ppc64le", ClangUnixInstalledBuild),
 
-    # A Clang 21.x bug causes a timeout:
-    #    https://github.com/llvm/llvm-project/issues/179695
-    ("PPC64LE Fedora Stable Clang", "cstratak-fedora-stable-ppc64le", ClangUnixBuild),
-
     # Linux s390x GCC/Clang
     ("s390x Fedora Rawhide", "cstratak-fedora-rawhide-s390x", UnixBuild),
     ("s390x Fedora Rawhide Refleaks", "cstratak-fedora-rawhide-s390x", UnixRefleakBuild),