relationals: fix out of bounds accesses in shuffle test #1961
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The values in
src
are indices into an array inget_order_string()
. Not initializingsrc
resulted in out of bounds accesses there.It seems that when the out of bounds accesses happened, the result of
get_order_string()
was not actually used, so at least the test was not using random data. Fix the issue as it prevents a clean run of this test with e.g. AddressSanitizer.