Someone willing to take on the stigma and dangers for an opportunity instead of go for one of the already abundant opportunities available for them may not be entirely cis anyway.
Source: born & raised in (ex-)USSR
I mean, maybe the GCC people will take you, but... yeah.
It seems like there are a lot of llvm-related projects outside of llvm itself, which might mean there are C/C++ compiler-adjacent internships out there.