testcase for parameters with nested records

testsuite/compiler/params/params.gf

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+abstract params = {
+
+cat S; NP ;
+
+fun test : NP -> S ;
+
+}

testsuite/compiler/params/params.gfs

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+i testsuite\compiler\params\paramsCnc.gf

testsuite/compiler/params/paramsCnc.gf

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+concrete paramsCnc of params = {
+
+param
+  Number = Sg | Pl ;
+  Person = P1 | P2 | P3 ;
+
+oper
+  Agr = {n : Number; p : Person} ;
+
+param
+  Case = Nom | Acc | Abess Agr ;
+
+lincat
+  S = {s : Str} ;
+  NP = {s : Case => Str} ;
+
+lin
+  test np = {s = np.s ! Abess {n=Sg;p=P3}} ;
+
+}