=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormTypeOfBoolean.ts ===
class C { private p: string };
>C : Symbol(C, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 0))
>p : Symbol(p, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 9))

var str: string;
>str : Symbol(str, Decl(typeGuardOfFormTypeOfBoolean.ts, 2, 3))

var bool: boolean;
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))

var num: number;
>num : Symbol(num, Decl(typeGuardOfFormTypeOfBoolean.ts, 4, 3))

var strOrNum: string | number;
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))

var strOrBool: string | boolean;
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))

var numOrBool: number | boolean
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))

var strOrNumOrBool: string | number | boolean;
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))

var strOrC: string | C;
>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 9, 3))
>C : Symbol(C, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 0))

var numOrC: number | C;
>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 10, 3))
>C : Symbol(C, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 0))

var boolOrC: boolean | C;
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))
>C : Symbol(C, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 0))

var c: C;
>c : Symbol(c, Decl(typeGuardOfFormTypeOfBoolean.ts, 12, 3))
>C : Symbol(C, Decl(typeGuardOfFormTypeOfBoolean.ts, 0, 0))

//	A type guard of the form typeof x === s, 
//  where s is a string literal with the value 'string', 'number', or 'boolean',
//  - when true, narrows the type of x to the given primitive type, or
//  - when false, removes the primitive type from the type of x.
if (typeof strOrBool === "boolean") {
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))

    bool = strOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))
}
else {
    str = strOrBool; // string
>str : Symbol(str, Decl(typeGuardOfFormTypeOfBoolean.ts, 2, 3))
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))
}
if (typeof numOrBool === "boolean") {
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))

    bool = numOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))
}
else {
    num = numOrBool; // number
>num : Symbol(num, Decl(typeGuardOfFormTypeOfBoolean.ts, 4, 3))
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))
}
if (typeof strOrNumOrBool === "boolean") {
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))

    bool = strOrNumOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))
}
else {
    strOrNum = strOrNumOrBool; // string | number
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))
}
if (typeof boolOrC === "boolean") {
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))

    bool = boolOrC; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))
}
else {
    c = boolOrC; // C
>c : Symbol(c, Decl(typeGuardOfFormTypeOfBoolean.ts, 12, 3))
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof strOrNum === "boolean") {
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))

    var z1: string | number = strOrNum; // string | number
>z1 : Symbol(z1, Decl(typeGuardOfFormTypeOfBoolean.ts, 45, 7), Decl(typeGuardOfFormTypeOfBoolean.ts, 82, 7))
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
}
else {
    var z2: string | number = strOrNum; // string | number
>z2 : Symbol(z2, Decl(typeGuardOfFormTypeOfBoolean.ts, 48, 7), Decl(typeGuardOfFormTypeOfBoolean.ts, 85, 7))
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
}


// A type guard of the form typeof x !== s, where s is a string literal,
//  - when true, narrows the type of x by typeof x === s when false, or
//  - when false, narrows the type of x by typeof x === s when true.
if (typeof strOrBool !== "boolean") {
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))

    str = strOrBool; // string
>str : Symbol(str, Decl(typeGuardOfFormTypeOfBoolean.ts, 2, 3))
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))
}
else {
    bool = strOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 6, 3))
}
if (typeof numOrBool !== "boolean") {
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))

    num = numOrBool; // number
>num : Symbol(num, Decl(typeGuardOfFormTypeOfBoolean.ts, 4, 3))
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))
}
else {
    bool = numOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 7, 3))
}
if (typeof strOrNumOrBool !== "boolean") {
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))

    strOrNum = strOrNumOrBool; // string | number
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))
}
else {
    bool = strOrNumOrBool; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfBoolean.ts, 8, 3))
}
if (typeof boolOrC !== "boolean") {
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))

    c = boolOrC; // C
>c : Symbol(c, Decl(typeGuardOfFormTypeOfBoolean.ts, 12, 3))
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))
}
else {
    bool = boolOrC; // boolean
>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfBoolean.ts, 3, 3))
>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfBoolean.ts, 11, 3))
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof strOrNum !== "boolean") {
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))

    var z1: string | number = strOrNum; // string | number
>z1 : Symbol(z1, Decl(typeGuardOfFormTypeOfBoolean.ts, 45, 7), Decl(typeGuardOfFormTypeOfBoolean.ts, 82, 7))
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
}
else {
    var z2: string | number = strOrNum; // string | number
>z2 : Symbol(z2, Decl(typeGuardOfFormTypeOfBoolean.ts, 48, 7), Decl(typeGuardOfFormTypeOfBoolean.ts, 85, 7))
>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfBoolean.ts, 5, 3))
}