=== tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts ===
interface I {
>I : Symbol(I, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 0, 0))

    a: string;
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 0, 13))

    b?: number;
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 1, 14))
}

interface J {
>J : Symbol(J, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 3, 1))

    a: string;
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 5, 13))
}

var a: I;
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>I : Symbol(I, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 0, 0))

var b: J;
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>J : Symbol(J, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 3, 1))

// operator <
var ra1 = a < b;
>ra1 : Symbol(ra1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 13, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var ra2 = b < a;
>ra2 : Symbol(ra2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 14, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator >
var rb1 = a > b;
>rb1 : Symbol(rb1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 17, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rb2 = b > a;
>rb2 : Symbol(rb2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 18, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator <=
var rc1 = a <= b;
>rc1 : Symbol(rc1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 21, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rc2 = b <= a;
>rc2 : Symbol(rc2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 22, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator >=
var rd1 = a >= b;
>rd1 : Symbol(rd1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 25, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rd2 = b >= a;
>rd2 : Symbol(rd2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 26, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator ==
var re1 = a == b;
>re1 : Symbol(re1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 29, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var re2 = b == a;
>re2 : Symbol(re2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 30, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator !=
var rf1 = a != b;
>rf1 : Symbol(rf1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 33, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rf2 = b != a;
>rf2 : Symbol(rf2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 34, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator ===
var rg1 = a === b;
>rg1 : Symbol(rg1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 37, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rg2 = b === a;
>rg2 : Symbol(rg2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 38, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))

// operator !==
var rh1 = a !== b;
>rh1 : Symbol(rh1, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 41, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))

var rh2 = b !== a;
>rh2 : Symbol(rh2, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 42, 3))
>b : Symbol(b, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 10, 3))
>a : Symbol(a, Decl(comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts, 9, 3))