Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
4	0	EP	call site: 00000

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           glz::minify_json

[function] [call site] 00001


             detail::minify_json<Opts>

[function] [call site] 00002


           std::vector::push_back

[function] [call site] 00003


           glz::minify_json

[function] [call site] 00004