[compiler-rt] [ubsan] Test CFI summaries globally (PR #206434)

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``````````diff
--- lit.cfg.py	2026-06-29 09:10:59.000000 +0000
+++ lit.cfg.py	2026-06-29 09:12:16.885454 +0000
@@ -61,11 +61,13 @@
         (r"%debug_info_flags", " ".join(config.debug_info_flags))
     )
 else:
     config.unsupported = True
 
-default_ubsan_opts = list(config.default_sanitizer_opts) if config.default_sanitizer_opts else []
+default_ubsan_opts = (
+    list(config.default_sanitizer_opts) if config.default_sanitizer_opts else []
+)
 default_ubsan_opts.append("print_summary=1")
 default_ubsan_opts.append("report_error_type=1")
 config.environment["UBSAN_OPTIONS"] = ":".join(default_ubsan_opts)
 
 if lit_config.params.get("check_supported", None) and config.unsupported:

``````````

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https://github.com/llvm/llvm-project/pull/206434