IDE: compiler options -vm: check fpc error message file if msg id exists

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46915 4005530d-fff6-0310-9dd1-cebe43e6787f
TAChart: Fix incorrect operation of transformations on y axis of TConstantLineSeries (related to issue #26265)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46916 4005530d-fff6-0310-9dd1-cebe43e6787f