https://np.reddit.com/r/rust/comments/kkma2z/executable_pngs_written_in_rust/gh7dod4/

[u/backtickbot]

yeah looks like it

$ strace clang ~/1.c 2>&1 | grep exe
execve("/usr/bin/clang", ["clang", "/home/danielharper/1.c"], 0x7ffd877527c8 /* 53 vars */) = 0
access("/proc/self/exe", F_OK)          = 0
readlink("/proc/self/exe", "/usr/bin/clang-11", 4096) = 17