},
	},
	{
		DW_TAG_variable,
		DW_CHILDREN_no,
		[]dwAttrForm{
			{DW_AT_abstract_origin, DW_FORM_ref_addr},
			{DW_AT_location, DW_FORM_sec_offset},
		},
	},
	{
		DW_TAG_variable,
		DW_CHILDREN_no,
		[]dwAttrForm{
			{DW_AT_abstract_origin, DW_FORM_ref_addr},
			{DW_AT_location, DW_FORM_block1},
		},
	},
	{
		DW_TAG_variable,
		DW_CHILDREN_no,
		[]dwAttrForm{

	r := &ast.IfStmt{Cond: &ast.BinaryExpr{
		Op: token.EQL,
		X:  &ast.SelectorExpr{X: &ast.Ident{Name: "v"}, Sel: &ast.Ident{Name: "Tag"}},
		Y:  &ast.Ident{Name: "DW_TAG_variable"}}}
	r.Body = &ast.BlockStmt{List: []ast.Stmt{
		pvacfgvisitnode(pvacfg, "DW_TAG_variable", []*pvacfgnode{}, abbrevs),
	}}
	r.Else = &ast.BlockStmt{List: []ast.Stmt{
		pvacfgvisitnode(pvacfg, "DW_TAG_formal_parameter", []*pvacfgnode{}, abbrevs),
	}}

	DW_TAG_template_type_parameter  = 0x2f
	DW_TAG_template_value_parameter = 0x30
	DW_TAG_thrown_type              = 0x31
	DW_TAG_try_block                = 0x32
	DW_TAG_variant_part             = 0x33
	DW_TAG_variable                 = 0x34
	DW_TAG_volatile_type            = 0x35
	// Dwarf3
	DW_TAG_dwarf_procedure  = 0x36
	DW_TAG_restrict_type    = 0x37
	DW_TAG_interface_type   = 0x38
	DW_TAG_namespace        = 0x39

var logDwarf bool

// Sym represents a symbol.
type Sym interface {
}

// A Var represents a local variable or a function parameter.
type Var struct {
	Name          string
	Tag           int // Either DW_TAG_variable or DW_TAG_formal_parameter
	WithLoclist   bool
	IsReturnValue bool
	IsInlFormal   bool
	DictIndex     uint16 // index of the dictionary entry describing the type of this variable
	StackOffset   int32

				if child.Tag == dwarf.TagVariable && child.Val(dwarf.AttrName).(string) == "i" {
					iEntry = child
					break
				}
			}
			if iEntry == nil {
				t.Fatalf("didn't find DW_TAG_variable for i in main.main")
			}

			// Verify line/file attributes.
			line, lineOK := iEntry.Val(dwarf.AttrDeclLine).(int64)
			if !lineOK {
				t.Errorf("missing or invalid DW_AT_decl_line for i")
			}

		}
		if e == nil {
			break
		}
		switch e.Tag {
		case dwarf.TagVariable:
			name, _ := e.Val(dwarf.AttrName).(string)
			// As of https://reviews.llvm.org/D123534, clang
			// now emits DW_TAG_variable DIEs that have
			// no name (so as to be able to describe the
			// type and source locations of constant strings)
			// like the second arg in the call below:
			//
			//     myfunction(42, "foo")
			//