"-x",
}

var invalidLinkerFlags = []*lazyregexp.Regexp{
	// On macOS this means the linker loads and executes the next argument.
	// Have to exclude separately because -lfoo is allowed in general.
	re(`-lto_library`),
}

var validLinkerFlags = []*lazyregexp.Regexp{
	re(`-F([^@\-].*)`),
	re(`-l([^@\-].*)`),
	re(`-L([^@\-].*)`),
	re(`-O`),
	re(`-O([^@\-].*)`),
	re(`-f(no-)?(pic|PIC|pie|PIE)`),