- merge cases based on output from rml -Eunify (https://dev.openmodel…

…ica.org/~adrpo/rml-unifications-original.txt)

- increase size given to GC_expand_hp to 300M to get a bit more speedup

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@23093 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/FFrontEnd/FNode.mo

@@ -844,6 +844,16 @@ algorithm
   end match;
 end isClass;
 
+public function isInstance
+  input Node inNode;
+  output Boolean b;
+algorithm
+  b := match(inNode)
+    case FCore.N(data = FCore.CL(status = FCore.CLS_INSTANCE(_))) then true;
+    else false;
+  end match;
+end isInstance;
+
 public function isRedeclare
   input Node inNode;
   output Boolean b;
@@ -1399,6 +1409,13 @@ algorithm
   b := isClass(fromRef(inRef));
 end isRefClass;
 
+public function isRefInstance
+  input Ref inRef;
+  output Boolean b;
+algorithm
+  b := isInstance(fromRef(inRef));
+end isRefInstance;
+
 public function isRefRedeclare
   input Ref inRef;
   output Boolean b;