Only if you use FatLTO. I've compiled LLVM many times with less memory. GCC on the other hand is another story. On a machine that I was able to compiled LLVM (

Only if you use FatLTO. I've compiled LLVM many times with less memory. GCC on the other hand is another story. On a machine that I was able to compiled LLVM (thanks swap), I couldn't even extract GCC source code.