[Bug fortran/52393] I/O: "READ format" statement with parenthesed default-char-expr

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52393

--- Comment #10 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 38577
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38577&action=edit
Final patch, regression tested

I will submit this patch to list for approval.