Nightly failing to show llvm cfg's for some benchmarks

[oflatt]

For example, see the gcd benchmark:
https://nightly.cs.washington.edu/reports/eggcc/1730202759:nightly:main:c398df5475/llvm.html?benchmark=gcd&runmode=llvm-O3

[oflatt]

Looks like locally things still work, so might be something to do with the nightly server