lp-empty-infeasible-row passes #1451

Job	Run time
gcc_debug (ubuntu-latest, Thread)	1m 48s
gcc_debug (ubuntu-latest, Address)	2m 48s
gcc_debug (ubuntu-latest, Leak)	2m 14s
gcc_relwithdebinfo (ubuntu-latest, Address)	6m 1s
clang_relwithdebinfo (ubuntu-latest, Leak)	2m 57s
gcc_relwithdebinfo (ubuntu-latest, Leak)	4m 49s
gcc_relwithdebinfo (ubuntu-latest, Thread)	4m 49s
clang_debug (ubuntu-latest, Address)	2m 37s
clang_relwithdebinfo (ubuntu-latest, Thread)	5m 16s
clang_debug (ubuntu-latest, Leak)	1m 51s
clang_debug (ubuntu-latest, Thread)	2m 0s
clang_relwithdebinfo (ubuntu-latest, Address)	6m 12s
	43m 22s

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