If a source range comes through a function-like macro expansion,

If a source range comes through a function-like macro expansion,
highlight the arguments to the macro as well as the identifier.

Before:

t.c:3:9: error: no matching function for call to '__tg_acos'; candidates are:
 return acos(x);
        ^~~~

after:

t.c:3:9: error: no matching function for call to '__tg_acos'; candidates are:
 return acos(x);
        ^~~~~~~

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64743 91177308-0d34-0410-b5e6-96231b3b80d8