Adding test for parameter record bindings

Belonging to [master]:
  - OpenModelica/OMCompiler#1773
  - OpenModelica/OpenModelica-testsuite#678

simulation/modelica/records/Makefile

@@ -1,9 +1,9 @@
 TEST = ../../../rtest -v
 
 TESTFILES = \
+ATotal.mos \
 InOutRecord.mos \
-ATotal.mos
-
+TestComplexSum1.mos
 
 
 # test that currently fail. Move up when fixed. 

simulation/modelica/records/TestComplexSum.mo

@@ -0,0 +1,13 @@
+function 'sum' "Return sum of complex vector"
+  input Complex v[:] "Vector";
+  output Complex result "Complex sum of vector elements";
+algorithm
+  result:=Complex(sum(v[i].re for i in 1:size(v,1)), sum(v[i].im for i in 1:size(v,1)));
+  annotation(Inline=true);
+end 'sum';
+
+model TestComplexSum1
+  parameter Complex a[2]={Complex(1,2),Complex(2,3)};
+  parameter Complex sum1 = 'sum'(a);
+  parameter Complex sum2 = Complex(sum(a.re),sum(a.im));
+end TestComplexSum1;

simulation/modelica/records/TestComplexSum1.mos

@@ -0,0 +1,23 @@
+// status: correct
+
+loadFile("TestComplexSum.mo");getErrorString();
+loadModel(Complex,{"3.2.2"});getErrorString();
+simulate(TestComplexSum1,simflags="-output sum1.re,sum1.im,sum2.re,sum2.im");getErrorString();
+
+// Result:
+// true
+// ""
+// true
+// ""
+// record SimulationResult
+//     resultFile = "TestComplexSum1_res.mat",
+//     simulationOptions = "startTime = 0.0, stopTime = 1.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'TestComplexSum1', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = '-output sum1.re,sum1.im,sum2.re,sum2.im'",
+//     messages = "stdout            | info    | The initialization finished successfully without homotopy method.
+// time=1,sum1.re=3,sum1.im=5,sum2.re=3,sum2.im=5
+// stdout            | info    | The simulation finished successfully.
+// "
+// end SimulationResult;
+// "[simulation/modelica/records/TestComplexSum.mo:11:3-11:36:writable] Notification: Moving binding to equation section and setting fixed attribute of sum1.re to false. This is done to work around a compiler design flaw (there is no good way to represent bindings that span multiple variables).
+// [simulation/modelica/records/TestComplexSum.mo:11:3-11:36:writable] Notification: Moving binding to equation section and setting fixed attribute of sum1.im to false. This is done to work around a compiler design flaw (there is no good way to represent bindings that span multiple variables).
+// "
+// endResult