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Work around a TSAN issue with newer kernels

The ThreadSanitizer version currently available from Fedora 39 repositories is unable to cope with very high ASLR entropy, which is the default in some recent Linux distributions [1]. This causes all TSAN-enabled builds to fail on the affected systems with an error like:

FATAL: ThreadSanitizer: unexpected memory mapping 0x7d00e0772000-0x7d00e0c00000

Work around the problem by reducing ASLR entropy for all TSAN-enabled builds until the problem is resolved upstream.


Closes #4649 (closed)

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