a command line argument adjuster, which is responsible for command line
arguments modification before the arguments are used to run a frontend action.
Define class ClangSyntaxOnlyAdjuster implements ArgumentsAdjuster interface.
This class converts input command line arguments to the "syntax check only"
variant.
Reviewed by Manuel Klimek.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156478 91177308-0d34-0410-b5e6-96231b3b80d8