[clang] [compiler-rt] [llvm] Make -funwind-tables the default for SystemZ. (PR #139764)

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``````````diff
--- lit.cfg.py	2025-09-27 21:15:46.000000 +0000
+++ lit.cfg.py	2025-09-27 22:00:50.986850 +0000
@@ -25,7 +25,10 @@
 
 # Default test suffixes.
 config.suffixes = [".c", ".cpp"]
 
 # DataFlowSanitizer tests are currently supported on Linux only.
-if not (config.target_os in ["Linux"] and config.target_arch in ["aarch64", "x86_64", "loongarch64", "s390x"]):
+if not (
+    config.target_os in ["Linux"]
+    and config.target_arch in ["aarch64", "x86_64", "loongarch64", "s390x"]
+):
     config.unsupported = True

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https://github.com/llvm/llvm-project/pull/139764