[Bug target/96768] -mpure-code produces switch tables for thumb-1

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96768

--- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Note that the switch table is in the .rodata section, so that's not a problem.