Benjamin Peterson b808d590a2 fix merge_collapse to actually maintain the invariant it purports to (closes #23515)
See
de Gouw, Stijn and Rot, Jurriaan and de Boer, Frank S and Bubel, Richard and Hähnle, Reiner
"OpenJDK’s java.utils.Collection.sort() is broken: The good, the bad and the worst case"
2015-02-25 10:12:26 -05:00
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2014-03-14 21:54:41 -05:00
2015-01-09 16:40:23 -06:00
2014-01-14 08:15:03 -05:00