Controls how string literals are stored and used.
-str[ings] keyword[, ...]
The keyword arguments are:
[no]pool
All string constants are stored as a single data object so your program needs one data section for all of them.
[no]reuse
All equivalent string constants are stored as a single data object so your program can reuse them. This is the default.
[no]readonly
Make all string constants read-only. This is the default.