julia

15dcd5bb - Fix build warning in gc-alloc-profiler.cpp: cast to (size_t) (#44180)

Fix build warning in gc-alloc-profiler.cpp: cast to (size_t) (#44180) `std::vector::size()` returns a `size_t`, so we need to cast the int `jl_n_threads` to a `size_t` for the comparison.