2.go

switch arch.Family {
// ... ither case clause.
case sys.I386:
    return elf.R_386(nr).String()
case sys.MIPS, sys.MIPS64:
    // return elf.R_MIPS(nr).String()   // <- 1
case sys.PPC64:
    // return elf.R_PPC64(nr).String()  // <- 2
case sys.S390X:
    // return elf.R_390(nr).String()    // <- 3
default:
    panic("unreachable")
}

3.diff

- for i := len(ip) - 1; i >= 0; i-- {
-   v := ip[i]
-   buf = append(buf, hexDigit[v&0xF])
-   buf = append(buf, '.')
-   buf = append(buf, hexDigit[v>>4])
-   buf = append(buf, '.')
- }
+ for i := len(ip) - 1; i >= 0; i-- {
+   v := ip[i]
+   buf = append(buf, hexDigit[v&0xF],
+       '.',
+       hexDigit[v>>4],
+       '.')
+ }

4.diff

- for _, r := range exports.R {
-   d.mark(r.Sym, nil)
- }
+ for i := range exports.R {
+   d.mark(exports.R[i].Sym, nil)
+ }

5.diff

s := templateName + "$htmltemplate_" + c.state.String()
-   if c.delim != 0 {
+   if c.delim != delimNone {
        s += "_" + c.delim.String()
    }
-   if c.urlPart != 0 {
+   if c.urlPart != urlPartNone {
        s += "_" + c.urlPart.String()
    }
-   if c.jsCtx != 0 {
+   if c.jsCtx != jsCtxRegexp {
        s += "_" + c.jsCtx.String()
    }
-   if c.attr != 0 {
+   if c.attr != attrNone {
        s += "_" + c.attr.String()
    }
-   if c.element != 0 {
+   if c.element != elementNone {
        s += "_" + c.element.String()
    }
    return s