libraries:

• c/net (#675)
• c/libuv (#678)
• big.Int (#677)
• syscall: linux fix (#687)

tools:

• llcppg (#679 #680 #681)

changes:

• cl: initAfter fix (#684)
• mod: rollback golang.org/x/tools v0.22.0 => v0.19.0 (#686)