[2.23] Revert fix for bug 19509

[Florian Weimer]

This reverts commits 80f87443eed17838fe453f1f5406ccf5d3698c25
and a824d609581d5ee7544aabcbbc70e8da44b2b5b6.

See bug 20069.  We can revisit this change once there has been a GCC
release with a fix for Address Sanitizer.

Florian
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