Adding regression test

tests/baselines/reference/circularObjectLiteralAccessors.js

@@ -0,0 +1,29 @@
+//// [circularObjectLiteralAccessors.ts]
+
+// Repro from #6000
+
+const a = {
+    b: {
+        get foo(): string {
+            return a.foo;
+        },
+        set foo(value: string) {
+            a.foo = value;
+        }
+    },
+    foo: ''
+};
+
+//// [circularObjectLiteralAccessors.js]
+// Repro from #6000
+var a = {
+    b: {
+        get foo() {
+            return a.foo;
+        },
+        set foo(value) {
+            a.foo = value;
+        }
+    },
+    foo: ''
+};

tests/baselines/reference/circularObjectLiteralAccessors.symbols

@@ -0,0 +1,34 @@
+=== tests/cases/compiler/circularObjectLiteralAccessors.ts ===
+
+// Repro from #6000
+
+const a = {
+>a : Symbol(a, Decl(circularObjectLiteralAccessors.ts, 3, 5))
+
+    b: {
+>b : Symbol(b, Decl(circularObjectLiteralAccessors.ts, 3, 11))
+
+        get foo(): string {
+>foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 4, 8), Decl(circularObjectLiteralAccessors.ts, 7, 10))
+
+            return a.foo;
+>a.foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 11, 6))
+>a : Symbol(a, Decl(circularObjectLiteralAccessors.ts, 3, 5))
+>foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 11, 6))
+
+        },
+        set foo(value: string) {
+>foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 4, 8), Decl(circularObjectLiteralAccessors.ts, 7, 10))
+>value : Symbol(value, Decl(circularObjectLiteralAccessors.ts, 8, 16))
+
+            a.foo = value;
+>a.foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 11, 6))
+>a : Symbol(a, Decl(circularObjectLiteralAccessors.ts, 3, 5))
+>foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 11, 6))
+>value : Symbol(value, Decl(circularObjectLiteralAccessors.ts, 8, 16))
+        }
+    },
+    foo: ''
+>foo : Symbol(foo, Decl(circularObjectLiteralAccessors.ts, 11, 6))
+
+};

tests/baselines/reference/circularObjectLiteralAccessors.types

@@ -0,0 +1,38 @@
+=== tests/cases/compiler/circularObjectLiteralAccessors.ts ===
+
+// Repro from #6000
+
+const a = {
+>a : { b: { foo: string; }; foo: string; }
+>{    b: {        get foo(): string {            return a.foo;        },        set foo(value: string) {            a.foo = value;        }    },    foo: ''} : { b: { foo: string; }; foo: string; }
+
+    b: {
+>b : { foo: string; }
+>{        get foo(): string {            return a.foo;        },        set foo(value: string) {            a.foo = value;        }    } : { foo: string; }
+
+        get foo(): string {
+>foo : string
+
+            return a.foo;
+>a.foo : string
+>a : { b: { foo: string; }; foo: string; }
+>foo : string
+
+        },
+        set foo(value: string) {
+>foo : string
+>value : string
+
+            a.foo = value;
+>a.foo = value : string
+>a.foo : string
+>a : { b: { foo: string; }; foo: string; }
+>foo : string
+>value : string
+        }
+    },
+    foo: ''
+>foo : string
+>'' : string
+
+};

tests/cases/compiler/circularObjectLiteralAccessors.ts

@@ -0,0 +1,15 @@
+// @target: es5
+
+// Repro from #6000
+
+const a = {
+    b: {
+        get foo(): string {
+            return a.foo;
+        },
+        set foo(value: string) {
+            a.foo = value;
+        }
+    },
+    foo: ''
+};