pass: naive implementation of liveness

internal/gen/build.go

@@ -33,7 +33,7 @@ func (b *build) instruction(i inst.Instruction) {
 	// Context method.
 	b.Printf("func (c *Context) %s(%s) {\n", i.Opcode, s.ParameterList())
 	b.Printf("if inst, err := x86.%s(%s); err == nil", i.Opcode, s.Arguments())
-	b.Printf(" { c.Instruction(*inst) }")
+	b.Printf(" { c.Instruction(inst) }")
 	b.Printf(" else { c.AddError(err) }\n")
 	b.Printf("}\n")