diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/scala/tools/nsc/transform/patmat/Solving.scala | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/patmat/Solving.scala b/src/compiler/scala/tools/nsc/transform/patmat/Solving.scala index 843f831ea1..ec66bf6f20 100644 --- a/src/compiler/scala/tools/nsc/transform/patmat/Solving.scala +++ b/src/compiler/scala/tools/nsc/transform/patmat/Solving.scala @@ -208,15 +208,16 @@ trait Solving extends Logic { withLit(findModelFor(dropUnit(f, unitLit)), unitLit) case _ => // partition symbols according to whether they appear in positive and/or negative literals - val pos = new mutable.HashSet[Sym]() - val neg = new mutable.HashSet[Sym]() + // SI-7020 Linked- for deterministic counter examples. + val pos = new mutable.LinkedHashSet[Sym]() + val neg = new mutable.LinkedHashSet[Sym]() f.foreach{_.foreach{ lit => if (lit.pos) pos += lit.sym else neg += lit.sym }} // appearing in both positive and negative - val impures = pos intersect neg + val impures: mutable.LinkedHashSet[Sym] = pos intersect neg // appearing only in either positive/negative positions - val pures = (pos ++ neg) -- impures + val pures: mutable.LinkedHashSet[Sym] = (pos ++ neg) -- impures if (pures nonEmpty) { val pureSym = pures.head |