Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EZR32WG/EZR32WG330F256R61/RTC/IF#0x0
Interrupt Flag Register
Overflow Interrupt Flag
Compare Match 0 Interrupt Flag
Compare Match 1 Interrupt Flag
https://github.com/cmsis-svd/cmsis-svd-data