Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG11B/EFM32GG11B510F2048GL120/WDOG1/IFS#0x0
Interrupt Flag Set Register
Set TOUT Interrupt Flag
Set WARN Interrupt Flag
Set WIN Interrupt Flag
Set PEM0 Interrupt Flag
Set PEM1 Interrupt Flag
https://github.com/cmsis-svd/cmsis-svd-data