- [`KT-28759`](https://youtrack.jetbrains.com/issue/KT-28759) No not-null smartcast from direct assignment if it's split into declaration and value assignment
- [`KT-28760`](https://youtrack.jetbrains.com/issue/KT-28760) No not-null smartcast from direct assignment of `this`

	s = S(t)
	s = S(u)
	t = u // ERROR "cannot use .* in assignment|incompatible type"
	t = T(u)
}

func _() {
	type E struct{ x int }
	type S struct{ x E }
	type T struct {
		x E "foo"
	}
	var s S
	var t T
	var u struct {
		x E "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment|incompatible type"
	s = u // ERROR "cannot use .* in assignment|incompatible type"
	s = S(s)
	s = S(t)
	s = S(u)

package clause

import "sort"

type Set []Assignment

type Assignment struct {
	Column Column
	Value  interface{}
}

func (set Set) Name() string {
	return "SET"
}

func (set Set) Build(builder Builder) {
	if len(set) > 0 {
		for idx, assignment := range set {
			if idx > 0 {
				builder.WriteByte(',')
			}
			builder.WriteQuoted(assignment.Column)
			builder.WriteByte('=')

        }
        return result
    }

    override fun doResolveAssignment(context: AnalysisContext, assignment: Assignment): AssignmentRecord? {
        val result = statementResolver.doResolveAssignment(context, assignment)
        if (result != null) {
            assignmentResolutions[assignment] = result
        }
        return result
    }

package p

func _(a, b, c int) {
	_ = a
	_ = a, b    // ERROR "assignment mismatch: 1 variable but 2 values"
	_ = a, b, c // ERROR "assignment mismatch: 1 variable but 3 values"

	_, _ = a // ERROR "assignment mismatch: 2 variables but 1 value"
	_, _ = a, b
	_, _ = a, b, c // ERROR "assignment mismatch: 2 variables but 3 values"

	_, _, _ = a    // ERROR "assignment mismatch: 3 variables but 1 value"

	t = T(u)
}

func _() {
	type E struct{ x int }
	type S struct{ x E }
	type T struct {
		x E "foo"
	}
	var s S
	var t T
	var u struct {
		x E "bar"
	}
	s = s
	s = t // ERRORx `cannot use .* in assignment`
	s = u // ERRORx `cannot use .* in assignment`
	s = S(s)
	s = S(t)
	s = S(u)
	t = u // ERRORx `cannot use .* in assignment`
	t = T(u)
}

func _() {

    fun AnalysisContext.doAnalyzeAssignment(assignment: Assignment): AssignmentRecord? {
        val lhsResolution = propertyAccessResolver.doResolvePropertyAccessToAssignable(this, assignment.lhs)

        return if (lhsResolution == null) {
            errorCollector.collect(ResolutionError(assignment.lhs, ErrorReason.UnresolvedReference(assignment.lhs)))
            errorCollector.collect(ResolutionError(assignment, ErrorReason.UnresolvedAssignmentLhs))

	m1[i0] = 42
	m1[i1] = 42
	m1[new(struct {
		x int
	})] = 42       // this should work: *struct{x int} is assignment-compatible with I1
	m1[false] = 42 // this should work: false is assignment-compatible with I1
	m1[17] = 42    // this should work: 17 is assignment-compatible with I1
	m1["foo"] = 42 // this should work: "foo" is assignment-compatible with I1

func main() {
	var a, b = 1    // ERROR "assignment mismatch: 2 variables but 1 value|wrong number of initializations|cannot initialize"
	_ = 1, 2        // ERROR "assignment mismatch: 1 variable but 2 values|number of variables does not match|cannot assign"
	c, d := 1       // ERROR "assignment mismatch: 2 variables but 1 value|wrong number of initializations|cannot initialize"

            allowAnalysisFromWriteAction {
                val resolvedCall = analyze(assignment) {
                    with((this as KaFe10Session).analysisContext.analyze(assignment, Fe10AnalysisFacade.AnalysisMode.PARTIAL)) {
                        assignment.getCall(this)?.getResolvedCall(this) ?: return ReferenceAccess.READ_WRITE to assignment
                    }
                }