OmpSupport::patchUpSharedVariables
makeDataSharingExplicit() can call some of existing functions for some work in OmpSupport namespace by Hongyi 07/16/2012 TODO: add a function within the OmpSupport namespace, the function should transform the AST, so all variables' data‐sharing attributes are explicitied represented in the AST. ROSE has dedicated AST nodes for OpenMP directives and the associated clauses, such as private, shared, reduction.