U-boot is broken with -O0?

Hello guys!

I think the CI verification job for u-boot patches should be updated to include CFLAGS like -O0 Because I'm not able to build u-boot for Raspberry Pi (or to another board) with -O0

Here the commands how to quickly reprodice the problem:     export ARCH=arm64     export CROSS_COMPILE=aarch64-linux-gnueabi-     export KCFLAGS=-O0     make rpi_4_defconfig     make -j$(nproc)

I've attached part of the build log to this email.

P.S.: Sorry if I've added you to CC by mistake.