Alias variables cause compilation errors

[Martin Sjölund]

$ omc alias.mos 
/home/marsj/dev/trunk/build//bin/omc 1.7.0 (r8421)
true
"class Alias
  Real x,y,z;

equation 
  connect(x,y);
  x = sin(time);
  z = -x;
end Alias;

"
record SimulationResult
    resultFile = "",
    simulationOptions = "startTime = 0.0, stopTime = 1.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'Alias', storeInTemp = false, noClean = false, options = '', outputFormat = 'mat', variableFilter = '.*', measureTime = false",
    messages = "Simulation failed for model: Alias
Error: Error building simulator. Buildlog: perl /home/marsj/dev/trunk/build//share/omc/scripts/convert_lines.pl Alias.cpp Alias.conv.cpp.tmp
g++ -I. -o Alias Alias.conv.cpp Alias_functions.cpp    -lsim -linteractive  -I\"/home/marsj/dev/trunk/build//include/omc\" -O3 -falign-functions -march=native -mfpmath=sse  -lrt -lpthread -L\"/home/marsj/dev/trunk/build//lib/omc\" -lc_runtime -Wl,-Bstatic -lf2c -Wl,-Bdynamic Alias_records.c
Alias.cpp: In function ‘void init_Alias(DATA*)’:
Alias.cpp:99: error: ‘$Px’ was not declared in this scope
make: *** [Alias] Error 1

",
    timeFrontend = 0.0,
    timeBackend = 0.0,
    timeSimCode = 0.0,
    timeTemplates = 0.0,
    timeCompile = 0.0,
    timeSimulation = 0.0,
    timeTotal = 0.0
end SimulationResult;

[Martin Sjölund]

We need some nice testcase with a lot of aliases for simulation :)

[Willi Braun]

corrected. This was just a merge commit mistake.