Getting format of arg_type

[Prasad Ghangal]

Hi!

Regarding PR64955, I was observing function format_type_warning() (in
c-family/c-format.c), how can I get format specifier for arg_type?

Say, if tree arg_type stores 'char', then how can I get its format i.e. 'c' ?



Thanks,
Prasad Ghangal