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Fix use-before-def with methods on esnext+useDefineForClassFields (microsoft#38033)
* Fix use-before-def with methods on esnext+useDefineForClassFields It was incorrectly flagging methods as used before their definition, but this is allowed under any emit. * Add instance function test case
1 parent 9684bb2 commit 63ff657

6 files changed

+108
-58
lines changed

‎src/compiler/checker.ts

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1423,9 +1423,10 @@ namespace ts {
14231423
return true;
14241424
}
14251425
if (isUsedInFunctionOrInstanceProperty(usage, declaration)) {
1426-
if (compilerOptions.target === ScriptTarget.ESNext && !!compilerOptions.useDefineForClassFields && getContainingClass(declaration)) {
1427-
return (isPropertyDeclaration(declaration) || isParameterPropertyDeclaration(declaration, declaration.parent)) &&
1428-
!isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ true);
1426+
if (compilerOptions.target === ScriptTarget.ESNext && !!compilerOptions.useDefineForClassFields
1427+
&& getContainingClass(declaration)
1428+
&& (isPropertyDeclaration(declaration) || isParameterPropertyDeclaration(declaration, declaration.parent))) {
1429+
return !isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ true);
14291430
}
14301431
else {
14311432
return true;

‎tests/baselines/reference/assignParameterPropertyToPropertyDeclarationESNext.errors.txt

Lines changed: 13 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,11 @@
11
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(2,16): error TS2729: Property 'bar' is used before its initialization.
22
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(3,16): error TS2729: Property 'foo' is used before its initialization.
3-
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(9,17): error TS2729: Property 'baz' is used before its initialization.
4-
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(10,16): error TS2729: Property 'foo' is used before its initialization.
3+
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(6,19): error TS2729: Property 'm3' is used before its initialization.
4+
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(12,17): error TS2729: Property 'baz' is used before its initialization.
5+
tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts(13,16): error TS2729: Property 'foo' is used before its initialization.
56

67

7-
==== tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts (4 errors) ====
8+
==== tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts (5 errors) ====
89
class C {
910
qux = this.bar // should error
1011
~~~
@@ -13,20 +14,26 @@ tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterProper
1314
bar = this.foo // should error
1415
~~~
1516
!!! error TS2729: Property 'foo' is used before its initialization.
16-
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:8:17: 'foo' is declared here.
17+
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:11:17: 'foo' is declared here.
1718
quiz = this.bar // ok
19+
quench = this.m1() // ok
20+
quanch = this.m3() // should error
21+
~~
22+
!!! error TS2729: Property 'm3' is used before its initialization.
23+
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:10:5: 'm3' is declared here.
1824
m1() {
1925
this.foo // ok
2026
}
27+
m3 = function() { }
2128
constructor(public foo: string) {}
2229
quim = this.baz // should error
2330
~~~
2431
!!! error TS2729: Property 'baz' is used before its initialization.
25-
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:10:5: 'baz' is declared here.
32+
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:13:5: 'baz' is declared here.
2633
baz = this.foo; // should error
2734
~~~
2835
!!! error TS2729: Property 'foo' is used before its initialization.
29-
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:8:17: 'foo' is declared here.
36+
!!! related TS2728 tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts:11:17: 'foo' is declared here.
3037
quid = this.baz // ok
3138
m2() {
3239
this.foo // ok

‎tests/baselines/reference/assignParameterPropertyToPropertyDeclarationESNext.js

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,12 @@ class C {
33
qux = this.bar // should error
44
bar = this.foo // should error
55
quiz = this.bar // ok
6+
quench = this.m1() // ok
7+
quanch = this.m3() // should error
68
m1() {
79
this.foo // ok
810
}
11+
m3 = function() { }
912
constructor(public foo: string) {}
1013
quim = this.baz // should error
1114
baz = this.foo; // should error
@@ -45,9 +48,12 @@ class C {
4548
qux = this.bar; // should error
4649
bar = this.foo; // should error
4750
quiz = this.bar; // ok
51+
quench = this.m1(); // ok
52+
quanch = this.m3(); // should error
4853
m1() {
4954
this.foo; // ok
5055
}
56+
m3 = function () { };
5157
constructor(foo) {
5258
this.foo = foo;
5359
}

‎tests/baselines/reference/assignParameterPropertyToPropertyDeclarationESNext.symbols

Lines changed: 64 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -10,115 +10,130 @@ class C {
1010

1111
bar = this.foo // should error
1212
>bar : Symbol(C.bar, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 1, 18))
13-
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
13+
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
1414
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
15-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
15+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
1616

1717
quiz = this.bar // ok
1818
>quiz : Symbol(C.quiz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 2, 18))
1919
>this.bar : Symbol(C.bar, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 1, 18))
2020
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
2121
>bar : Symbol(C.bar, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 1, 18))
2222

23+
quench = this.m1() // ok
24+
>quench : Symbol(C.quench, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 3, 19))
25+
>this.m1 : Symbol(C.m1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 5, 22))
26+
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
27+
>m1 : Symbol(C.m1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 5, 22))
28+
29+
quanch = this.m3() // should error
30+
>quanch : Symbol(C.quanch, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 4, 22))
31+
>this.m3 : Symbol(C.m3, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 5))
32+
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
33+
>m3 : Symbol(C.m3, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 5))
34+
2335
m1() {
24-
>m1 : Symbol(C.m1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 3, 19))
36+
>m1 : Symbol(C.m1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 5, 22))
2537

2638
this.foo // ok
27-
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
39+
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
2840
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
29-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
41+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
3042
}
43+
m3 = function() { }
44+
>m3 : Symbol(C.m3, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 5))
45+
3146
constructor(public foo: string) {}
32-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
47+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
3348

3449
quim = this.baz // should error
35-
>quim : Symbol(C.quim, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 38))
36-
>this.baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 19))
50+
>quim : Symbol(C.quim, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 38))
51+
>this.baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 11, 19))
3752
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
38-
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 19))
53+
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 11, 19))
3954

4055
baz = this.foo; // should error
41-
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 19))
42-
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
56+
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 11, 19))
57+
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
4358
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
44-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
59+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
4560

4661
quid = this.baz // ok
47-
>quid : Symbol(C.quid, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 9, 19))
48-
>this.baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 19))
62+
>quid : Symbol(C.quid, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 12, 19))
63+
>this.baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 11, 19))
4964
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
50-
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 8, 19))
65+
>baz : Symbol(C.baz, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 11, 19))
5166

5267
m2() {
53-
>m2 : Symbol(C.m2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 19))
68+
>m2 : Symbol(C.m2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 13, 19))
5469

5570
this.foo // ok
56-
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
71+
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
5772
>this : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
58-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
73+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
5974
}
6075
}
6176

6277
class D extends C {
63-
>D : Symbol(D, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 14, 1))
78+
>D : Symbol(D, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 17, 1))
6479
>C : Symbol(C, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 0, 0))
6580

6681
quill = this.foo // ok
67-
>quill : Symbol(D.quill, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 16, 19))
68-
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
69-
>this : Symbol(D, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 14, 1))
70-
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 7, 16))
82+
>quill : Symbol(D.quill, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 19, 19))
83+
>this.foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
84+
>this : Symbol(D, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 17, 1))
85+
>foo : Symbol(C.foo, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 10, 16))
7186
}
7287

7388
class E {
74-
>E : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 18, 1))
89+
>E : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 1))
7590

7691
bar = () => this.foo1 + this.foo2; // both ok
77-
>bar : Symbol(E.bar, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 20, 9))
78-
>this.foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 38))
79-
>this : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 18, 1))
80-
>foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 38))
81-
>this.foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 23, 16))
82-
>this : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 18, 1))
83-
>foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 23, 16))
92+
>bar : Symbol(E.bar, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 23, 9))
93+
>this.foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 24, 38))
94+
>this : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 1))
95+
>foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 24, 38))
96+
>this.foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 26, 16))
97+
>this : Symbol(E, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 1))
98+
>foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 26, 16))
8499

85100
foo1 = '';
86-
>foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 21, 38))
101+
>foo1 : Symbol(E.foo1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 24, 38))
87102

88103
constructor(public foo2: string) {}
89-
>foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 23, 16))
104+
>foo2 : Symbol(E.foo2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 26, 16))
90105
}
91106

92107
class F {
93-
>F : Symbol(F, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 24, 1))
108+
>F : Symbol(F, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 27, 1))
94109

95110
Inner = class extends F {
96-
>Inner : Symbol(F.Inner, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 26, 9))
97-
>F : Symbol(F, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 24, 1))
111+
>Inner : Symbol(F.Inner, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 29, 9))
112+
>F : Symbol(F, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 27, 1))
98113

99114
p2 = this.p1
100-
>p2 : Symbol((Anonymous class).p2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 27, 29))
101-
>this.p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 29, 5))
102-
>this : Symbol((Anonymous class), Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 27, 11))
103-
>p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 29, 5))
115+
>p2 : Symbol((Anonymous class).p2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 30, 29))
116+
>this.p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 32, 5))
117+
>this : Symbol((Anonymous class), Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 30, 11))
118+
>p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 32, 5))
104119
}
105120
p1 = 0
106-
>p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 29, 5))
121+
>p1 : Symbol(F.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 32, 5))
107122
}
108123
class G {
109-
>G : Symbol(G, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 31, 1))
124+
>G : Symbol(G, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 34, 1))
110125

111126
Inner = class extends G {
112-
>Inner : Symbol(G.Inner, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 32, 9))
113-
>G : Symbol(G, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 31, 1))
127+
>Inner : Symbol(G.Inner, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 35, 9))
128+
>G : Symbol(G, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 34, 1))
114129

115130
p2 = this.p1
116-
>p2 : Symbol((Anonymous class).p2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 33, 29))
117-
>this.p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 36, 16))
118-
>this : Symbol((Anonymous class), Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 33, 11))
119-
>p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 36, 16))
131+
>p2 : Symbol((Anonymous class).p2, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 36, 29))
132+
>this.p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 39, 16))
133+
>this : Symbol((Anonymous class), Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 36, 11))
134+
>p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 39, 16))
120135
}
121136
constructor(public p1: number) {}
122-
>p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 36, 16))
137+
>p1 : Symbol(G.p1, Decl(assignParameterPropertyToPropertyDeclarationESNext.ts, 39, 16))
123138
}
124139

‎tests/baselines/reference/assignParameterPropertyToPropertyDeclarationESNext.types

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -20,6 +20,20 @@ class C {
2020
>this : this
2121
>bar : string
2222

23+
quench = this.m1() // ok
24+
>quench : void
25+
>this.m1() : void
26+
>this.m1 : () => void
27+
>this : this
28+
>m1 : () => void
29+
30+
quanch = this.m3() // should error
31+
>quanch : void
32+
>this.m3() : void
33+
>this.m3 : () => void
34+
>this : this
35+
>m3 : () => void
36+
2337
m1() {
2438
>m1 : () => void
2539

@@ -28,6 +42,10 @@ class C {
2842
>this : this
2943
>foo : string
3044
}
45+
m3 = function() { }
46+
>m3 : () => void
47+
>function() { } : () => void
48+
3149
constructor(public foo: string) {}
3250
>foo : string
3351

‎tests/cases/conformance/classes/propertyMemberDeclarations/assignParameterPropertyToPropertyDeclarationESNext.ts

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,9 +4,12 @@ class C {
44
qux = this.bar // should error
55
bar = this.foo // should error
66
quiz = this.bar // ok
7+
quench = this.m1() // ok
8+
quanch = this.m3() // should error
79
m1() {
810
this.foo // ok
911
}
12+
m3 = function() { }
1013
constructor(public foo: string) {}
1114
quim = this.baz // should error
1215
baz = this.foo; // should error

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