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Disable UBSAN on macOS #227

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Merged
merged 1 commit into from
Nov 11, 2024
Merged

Disable UBSAN on macOS #227

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8 changes: 7 additions & 1 deletion Utilities/build-script-helper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,13 @@ def main() -> None:
handle_invocation(swift_exec, args)

# Linux ubsan disabled: https://bugs.swift.org/browse/SR-12550
if platform.system() != 'Linux':
#
# ubsan disabled on macOS because building indexstore-db using a new, just-built clang with ubsan enabled but
# with an Xcode 15.1 SDK causes C++ exception to not be catchable with `try {} catch {}` blocks and
# indexstore-db relies on exception catching, possibly related to
# https://stackoverflow.com/questions/51673343/clang-with-libc-exceptions.
# Re-enable when Xcode on CI nodes has been updated to Xcode 16 (rdar://139647872)
if platform.system() != 'Linux' and False:
print('=== %s indexstore-db with ubsan ===' % args.action)
args.sanitize = ['undefined']
args.build_path = os.path.join(base, 'test-ubsan')
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