golang.org/x/tools/go/analysis/passes/tests
golang.org/x/tools/go/analysis/passes/timeformat
golang.org/x/tools/go/analysis/passes/unmarshal
golang.org/x/tools/go/analysis/passes/unreachable
golang.org/x/tools/go/analysis/passes/unsafeptr
golang.org/x/tools/go/analysis/passes/unusedresult
golang.org/x/tools/go/analysis/unitchecker
golang.org/x/tools/go/ast/astutil
golang.org/x/tools/go/ast/inspector
golang.org/x/tools/go/cfg

	AnyType.SetUnderlying(NewInterface(nil))
	ResumeCheckSize()

	Types[TUNSAFEPTR] = defBasic(TUNSAFEPTR, UnsafePkg, "Pointer")

	Types[TBLANK] = newType(TBLANK)
	Types[TNIL] = newType(TNIL)

	// simple aliases
	SimType[TMAP] = TPTR
	SimType[TCHAN] = TPTR
	SimType[TFUNC] = TPTR
	SimType[TUNSAFEPTR] = TPTR

	for et := TINT8; et <= TUINT64; et++ {
		IsInt[et] = true
	}

	okforlen[types.TARRAY] = true
	okforlen[types.TCHAN] = true
	okforlen[types.TMAP] = true
	okforlen[types.TSLICE] = true
	okforlen[types.TSTRING] = true

	okforeq[types.TPTR] = true
	okforeq[types.TUNSAFEPTR] = true
	okforeq[types.TINTER] = true
	okforeq[types.TCHAN] = true
	okforeq[types.TSTRING] = true
	okforeq[types.TBOOL] = true
	okforeq[types.TMAP] = true    // nil only; refined in typecheck

				ir.NewIndexExpr(base.Pos, globals, ir.NewInt(base.Pos, int64(i))), lname(f)), val)
			init.Append(typecheck.Stmt(r))
		}
		// globals[i].beg = uintptr(unsafe.Pointer(&n))
		c = tconv(typecheck.NodAddr(n), types.Types[types.TUNSAFEPTR])
		c = tconv(c, types.Types[types.TUINTPTR])
		setField("beg", c, i)
		// Assign globals[i].size.
		g := n.(*ir.Name)
		size := g.Type().Size()

        setup:
        assumeFalse(
            ": is only unsafe on Windows systems",
            unsafePath.contains(':') && !isWindows()
        )

        expect:
        isUnsafePathName(unsafePath)
        !isUnsafePathName(safePath)

        where:
        unsafePath     | safePath
        "/"            | "foo/"
        "\\"           | "foo\\"
        "/foo"         | "foo"

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 16317: cmd/compile: internal compiler error:
//              unhandled OCONV INT -> TUNSAFEPTR

			init = append(init, typecheck.Stmt(r))
		}

		c = typecheck.ConvNop(c, types.Types[types.TUNSAFEPTR])
		setField("c", c)
		if !ir.IsBlank(elem) {
			elem = typecheck.ConvNop(elem, types.Types[types.TUNSAFEPTR])
			setField("elem", elem)
		}

		// TODO(mdempsky): There should be a cleaner way to
		// handle this.
		if base.Flag.Race {

	_ = x[TPTR-17]
	_ = x[TFUNC-18]
	_ = x[TSLICE-19]
	_ = x[TARRAY-20]
	_ = x[TSTRUCT-21]
	_ = x[TCHAN-22]
	_ = x[TMAP-23]
	_ = x[TINTER-24]
	_ = x[TFORW-25]
	_ = x[TANY-26]
	_ = x[TSTRING-27]
	_ = x[TUNSAFEPTR-28]
	_ = x[TIDEAL-29]
	_ = x[TNIL-30]
	_ = x[TBLANK-31]
	_ = x[TFUNCARGS-32]
	_ = x[TCHANARGS-33]
	_ = x[TSSA-34]
	_ = x[TTUPLE-35]
	_ = x[TRESULTS-36]
	_ = x[NTYPE-37]
}

			switch t1.kind {
			case TINT8, TUINT8, TINT16, TUINT16, TINT32, TUINT32, TINT64, TUINT64, TINT, TUINT, TUINTPTR, TCOMPLEX64, TCOMPLEX128, TFLOAT32, TFLOAT64, TBOOL, TSTRING, TPTR, TUNSAFEPTR:
				return true
			}
			// fall through to unnamed type comparison for complex types.
			goto cont
		}
		// Special case: we keep byte/uint8 and rune/int32
		// separate for error messages. Treat them as equal.

	if !t.HasPointers() {
		// Note: this case ensures that pointers to not-in-heap types
		// are not considered pointers by garbage collection and stack copying.
		return
	}

	switch t.Kind() {
	case types.TPTR, types.TUNSAFEPTR, types.TFUNC, types.TCHAN, types.TMAP:
		if off&int64(types.PtrSize-1) != 0 {
			base.Fatalf("typebits.Set: invalid alignment, %v", t)
		}
		bv.Set(int32(off / int64(types.PtrSize))) // pointer

	case types.TSTRING: