[dv,cip] DV alert macro should work with size zero #5868

Job	Run time
Lint (quick)	3m 26s
Build documentation	4m 46s
Airgapped build	17m 21s
CW305's Bitstream	2m 23s
Run OTBN crypto tests	2m 40s
Lint (slow)	11m 19s
Run OTBN smoke Test	2m 49s
Verible lint	1m 11s
Verilated Earl Grey	1h 12m 45s
Verilated English Breakfast	7m 27s
Build Docker Containers	2m 41s
QEMU smoketest	1m 56s
Build and test Darjeeling software	3m 26s
Build and test software	16m 37s
Earl Grey for CW310 / Build bitstream	1m 46s
Earl Grey for CW310 Hyperdebug / Build bitstream	2m 3s
Earl Grey for CW340 / Build bitstream	1m 52s
CW310 ROM Tests / FPGA test	3m 34s
CW310 Test ROM Tests / FPGA test	3m 17s
CW310 SiVal Tests / FPGA test	2m 57s
CW310 Manufacturing Tests / FPGA test	2m 14s
CW310 SiVal ROM_EXT Tests / FPGA test	2m 41s
Hyper310 ROM_EXT Tests / FPGA test	2m 23s
Cache bitstreams to GCP	0s
CW340 Test ROM Tests / FPGA test	2m 10s
CW340 ROM_EXT Tests / FPGA test	2m 13s
CW340 ROM Tests / FPGA test	53s
CW340 SiVal Tests / FPGA test	2m 19s
CW340 SiVal ROM_EXT Tests / FPGA test	2m 8s
CW340 Manufacturing Tests / FPGA test	2m 34s
Verify FPGA jobs	31s
	3h 6m 22s

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