gcc: a few clarifications from gcc guys
gcc: a few clarifications from gcc guys

stffrdhrn/stffrdhrn.github.io,stffrdhrn/stffrdhrn.github.io,stffrdhrn/stffrdhrn.github.io,stffrdhrn/stffrdhrn.github.io,stffrdhrn/stffrdhrn.github.io