diff --git a/tests/baselines/reference/switchAssignmentCompat.errors.txt b/tests/baselines/reference/switchAssignmentCompat.errors.txt
index 46c89fa5b52..747a1035b68 100644
--- a/tests/baselines/reference/switchAssignmentCompat.errors.txt
+++ b/tests/baselines/reference/switchAssignmentCompat.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/switchAssignmentCompat.ts(4,10): error TS2678: Type 'typeof Foo' is not comparable to type '0'.
+tests/cases/compiler/switchAssignmentCompat.ts(4,10): error TS2678: Type 'typeof Foo' is not comparable to type 'number'.
 
 
 ==== tests/cases/compiler/switchAssignmentCompat.ts (1 errors) ====
@@ -7,6 +7,6 @@ tests/cases/compiler/switchAssignmentCompat.ts(4,10): error TS2678: Type 'typeof
     switch (0) {
         case Foo: break; // Error expected
              ~~~
-!!! error TS2678: Type 'typeof Foo' is not comparable to type '0'.
+!!! error TS2678: Type 'typeof Foo' is not comparable to type 'number'.
     }
     
\ No newline at end of file
diff --git a/tests/baselines/reference/switchCaseCircularRefeference.errors.txt b/tests/baselines/reference/switchCaseCircularRefeference.errors.txt
index 9ee571de468..bc576f8e723 100644
--- a/tests/baselines/reference/switchCaseCircularRefeference.errors.txt
+++ b/tests/baselines/reference/switchCaseCircularRefeference.errors.txt
@@ -1,6 +1,5 @@
-tests/cases/compiler/switchCaseCircularRefeference.ts(5,10): error TS2678: Type '{ a: "A"; b: any; } | { a: "C"; e: any; }' is not comparable to type '"A" | "C"'.
-  Type '{ a: "C"; e: any; }' is not comparable to type '"A" | "C"'.
-    Type '{ a: "C"; e: any; }' is not comparable to type '"C"'.
+tests/cases/compiler/switchCaseCircularRefeference.ts(5,10): error TS2678: Type '{ a: "A"; b: any; } | { a: "C"; e: any; }' is not comparable to type 'string'.
+  Type '{ a: "C"; e: any; }' is not comparable to type 'string'.
 
 
 ==== tests/cases/compiler/switchCaseCircularRefeference.ts (1 errors) ====
@@ -10,9 +9,8 @@ tests/cases/compiler/switchCaseCircularRefeference.ts(5,10): error TS2678: Type
         switch (x.a) {
         case x:
              ~
-!!! error TS2678: Type '{ a: "A"; b: any; } | { a: "C"; e: any; }' is not comparable to type '"A" | "C"'.
-!!! error TS2678:   Type '{ a: "C"; e: any; }' is not comparable to type '"A" | "C"'.
-!!! error TS2678:     Type '{ a: "C"; e: any; }' is not comparable to type '"C"'.
+!!! error TS2678: Type '{ a: "A"; b: any; } | { a: "C"; e: any; }' is not comparable to type 'string'.
+!!! error TS2678:   Type '{ a: "C"; e: any; }' is not comparable to type 'string'.
             break;
         }
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/switchCasesExpressionTypeMismatch.errors.txt b/tests/baselines/reference/switchCasesExpressionTypeMismatch.errors.txt
index 3ea12e2460f..26d39efef48 100644
--- a/tests/baselines/reference/switchCasesExpressionTypeMismatch.errors.txt
+++ b/tests/baselines/reference/switchCasesExpressionTypeMismatch.errors.txt
@@ -1,25 +1,22 @@
-tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(4,10): error TS2678: Type 'typeof Foo' is not comparable to type '0'.
-tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(5,10): error TS2678: Type '"sss"' is not comparable to type '0'.
-tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(6,10): error TS2678: Type '123' is not comparable to type '0'.
-tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(7,10): error TS2678: Type 'true' is not comparable to type '0'.
+tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(4,10): error TS2678: Type 'typeof Foo' is not comparable to type 'number'.
+tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(5,10): error TS2678: Type 'string' is not comparable to type 'number'.
+tests/cases/compiler/switchCasesExpressionTypeMismatch.ts(7,10): error TS2678: Type 'boolean' is not comparable to type 'number'.
 
 
-==== tests/cases/compiler/switchCasesExpressionTypeMismatch.ts (4 errors) ====
+==== tests/cases/compiler/switchCasesExpressionTypeMismatch.ts (3 errors) ====
     class Foo { }
     
     switch (0) {
         case Foo: break;    // Error
              ~~~
-!!! error TS2678: Type 'typeof Foo' is not comparable to type '0'.
+!!! error TS2678: Type 'typeof Foo' is not comparable to type 'number'.
         case "sss": break;  // Error
              ~~~~~
-!!! error TS2678: Type '"sss"' is not comparable to type '0'.
+!!! error TS2678: Type 'string' is not comparable to type 'number'.
         case 123: break;    // No Error
-             ~~~
-!!! error TS2678: Type '123' is not comparable to type '0'.
         case true: break;   // Error
              ~~~~
-!!! error TS2678: Type 'true' is not comparable to type '0'.
+!!! error TS2678: Type 'boolean' is not comparable to type 'number'.
     }
     
     var s: any = 0;
diff --git a/tests/baselines/reference/switchComparableCompatForBrands.js b/tests/baselines/reference/switchComparableCompatForBrands.js
new file mode 100644
index 00000000000..316edfc9c31
--- /dev/null
+++ b/tests/baselines/reference/switchComparableCompatForBrands.js
@@ -0,0 +1,29 @@
+//// [switchComparableCompatForBrands.ts]
+class MyBrand
+{
+    private _a: number;
+}
+
+function test(strInput: string & MyBrand) {
+    switch(strInput)
+    {
+        case "a":
+        return 1;
+    }
+    return 0;
+}
+
+
+//// [switchComparableCompatForBrands.js]
+var MyBrand = (function () {
+    function MyBrand() {
+    }
+    return MyBrand;
+}());
+function test(strInput) {
+    switch (strInput) {
+        case "a":
+            return 1;
+    }
+    return 0;
+}
diff --git a/tests/baselines/reference/switchComparableCompatForBrands.symbols b/tests/baselines/reference/switchComparableCompatForBrands.symbols
new file mode 100644
index 00000000000..adf6a5174ad
--- /dev/null
+++ b/tests/baselines/reference/switchComparableCompatForBrands.symbols
@@ -0,0 +1,22 @@
+=== tests/cases/compiler/switchComparableCompatForBrands.ts ===
+class MyBrand
+>MyBrand : Symbol(MyBrand, Decl(switchComparableCompatForBrands.ts, 0, 0))
+{
+    private _a: number;
+>_a : Symbol(MyBrand._a, Decl(switchComparableCompatForBrands.ts, 1, 1))
+}
+
+function test(strInput: string & MyBrand) {
+>test : Symbol(test, Decl(switchComparableCompatForBrands.ts, 3, 1))
+>strInput : Symbol(strInput, Decl(switchComparableCompatForBrands.ts, 5, 14))
+>MyBrand : Symbol(MyBrand, Decl(switchComparableCompatForBrands.ts, 0, 0))
+
+    switch(strInput)
+>strInput : Symbol(strInput, Decl(switchComparableCompatForBrands.ts, 5, 14))
+    {
+        case "a":
+        return 1;
+    }
+    return 0;
+}
+
diff --git a/tests/baselines/reference/switchComparableCompatForBrands.types b/tests/baselines/reference/switchComparableCompatForBrands.types
new file mode 100644
index 00000000000..5e479ee29dc
--- /dev/null
+++ b/tests/baselines/reference/switchComparableCompatForBrands.types
@@ -0,0 +1,26 @@
+=== tests/cases/compiler/switchComparableCompatForBrands.ts ===
+class MyBrand
+>MyBrand : MyBrand
+{
+    private _a: number;
+>_a : number
+}
+
+function test(strInput: string & MyBrand) {
+>test : (strInput: string & MyBrand) => 1 | 0
+>strInput : string & MyBrand
+>MyBrand : MyBrand
+
+    switch(strInput)
+>strInput : string & MyBrand
+    {
+        case "a":
+>"a" : "a"
+
+        return 1;
+>1 : 1
+    }
+    return 0;
+>0 : 0
+}
+
diff --git a/tests/cases/compiler/switchComparableCompatForBrands.ts b/tests/cases/compiler/switchComparableCompatForBrands.ts
new file mode 100644
index 00000000000..4b90db40e1d
--- /dev/null
+++ b/tests/cases/compiler/switchComparableCompatForBrands.ts
@@ -0,0 +1,13 @@
+class MyBrand
+{
+    private _a: number;
+}
+
+function test(strInput: string & MyBrand) {
+    switch(strInput)
+    {
+        case "a":
+        return 1;
+    }
+    return 0;
+}