Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
2	0	EP	call site: 00000	YAML::Load

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           YAML::Load

[function] [call site] 00001


             YAML::Load

[function] [call site] 00002