fails:Kernel.putc calls #to_int to convert an object to a Integer
fails:Kernel.putc with a Fixnum argument writes one character as a String
fails:Kernel.putc with a Fixnum argument writes the low byte as a String
fails:Kernel.putc with a String argument writes one character
fails:Kernel.putc with a String argument writes the first character
fails:Kernel#putc calls #to_int to convert an object to a Integer
fails:Kernel#putc with a Fixnum argument writes one character as a String
fails:Kernel#putc with a Fixnum argument writes the low byte as a String
fails:Kernel#putc with a String argument writes one character
fails:Kernel#putc with a String argument writes the first character
