//		if err != nil {
//			log.Fatal(err)
//		}
//		if _, err = io.Copy(wf, r); err != nil {
//			log.Fatal(err)
//		}
//		if err := w.Close(); err != nil {
//			log.Fatal(err)
//		}
//		return buf.Bytes()
//	}
//
// The 4 GB of zeros compresses to 4 MB, which compresses to 20 kB,
// which compresses to 1252 bytes (in the hex dump below).
//

run-time panics raised by <code>g</code>.
</p>

<pre>
func protect(g func()) {
	defer func() {
		log.Println("done")  // Println executes normally even if there is a panic
		if x := recover(); x != nil {
			log.Printf("run time panic: %v", x)
		}
	}()
	log.Println("start")
	g()
}
</pre>


<h3 id="Bootstrapping">Bootstrapping</h3>

<p>

// "<>",            yielding (true,  obj.ABI0)
// "<ABI0>"         yielding (false, obj.ABI0)
// "<ABIInternal>"  yielding (false, obj.ABIInternal)
//
// Anything else beginning with "<" logs an error if issueError is
// true, otherwise returns (false, obj.ABI0).
func (p *Parser) symRefAttrs(name string, issueError bool) (bool, obj.ABI) {
	abi := obj.ABI0
	isStatic := false
	if p.peek() != '<' {

	for _, w := range walkers {
		for _, name := range w.stdPackages {
			pkg, err := w.import_(name)
			if _, nogo := err.(*build.NoGoError); nogo {
				continue
			}
			if err != nil {
				log.Fatalf("Import(%q): %v", name, err)
			}
			w.export(pkg)
		}

		ctxName := contextName(w.context)
		for _, f := range w.Features() {
			if featureCtx[f] == nil {

		}
		if got, want := h2.Linkname, v.h.Linkname; got != want {
			t.Errorf("i=%d: Linkname: got %v, want %v", i, got, want)
		}
		if got, want := h2.Typeflag, v.h.Typeflag; got != want {
			t.Logf("%#v %#v", v.h, fi.Sys())
			t.Errorf("i=%d: Typeflag: got %q, want %q", i, got, want)
		}
		if got, want := h2.Mode, v.h.Mode; got != want {
			t.Errorf("i=%d: Mode: got %o, want %o", i, got, want)
		}

		flag = p.evalInteger("GLOBL", operands[1])
		next++
	}

	// Final operand is an immediate constant.
	addr := p.address(operands[next])
	if !p.validImmediate("GLOBL", &addr) {
		return
	}

	// log.Printf("GLOBL %s %d, $%d", name, flag, size)
	p.ctxt.GloblPos(nameAddr.Sym, addr.Offset, int(flag), p.pos())
}

// asmPCData assembles a PCDATA pseudo-op.
// PCDATA $2, $705