diff --git a/tests/baselines/reference/controlFlowIIFE.js b/tests/baselines/reference/controlFlowIIFE.js
index 6454d1117db..5d295b57315 100644
--- a/tests/baselines/reference/controlFlowIIFE.js
+++ b/tests/baselines/reference/controlFlowIIFE.js
@@ -34,6 +34,7 @@ let maybeNumber: number | undefined;
 (function () {
     maybeNumber = 1;
 })();
+maybeNumber++;
 if (maybeNumber !== undefined) {
     maybeNumber++;
 }
@@ -75,6 +76,7 @@ var maybeNumber;
 (function () {
     maybeNumber = 1;
 })();
+maybeNumber++;
 if (maybeNumber !== undefined) {
     maybeNumber++;
 }
diff --git a/tests/baselines/reference/controlFlowIIFE.symbols b/tests/baselines/reference/controlFlowIIFE.symbols
index 2a03bb3ff2b..b1b2b741158 100644
--- a/tests/baselines/reference/controlFlowIIFE.symbols
+++ b/tests/baselines/reference/controlFlowIIFE.symbols
@@ -82,6 +82,9 @@ let maybeNumber: number | undefined;
 >maybeNumber : Symbol(maybeNumber, Decl(controlFlowIIFE.ts, 31, 3))
 
 })();
+maybeNumber++;
+>maybeNumber : Symbol(maybeNumber, Decl(controlFlowIIFE.ts, 31, 3))
+
 if (maybeNumber !== undefined) {
 >maybeNumber : Symbol(maybeNumber, Decl(controlFlowIIFE.ts, 31, 3))
 >undefined : Symbol(undefined)
@@ -91,10 +94,10 @@ if (maybeNumber !== undefined) {
 }
 
 let test: string | undefined;
->test : Symbol(test, Decl(controlFlowIIFE.ts, 39, 3))
+>test : Symbol(test, Decl(controlFlowIIFE.ts, 40, 3))
 
 if (!test) {
->test : Symbol(test, Decl(controlFlowIIFE.ts, 39, 3))
+>test : Symbol(test, Decl(controlFlowIIFE.ts, 40, 3))
 
     throw new Error('Test is not defined');
 >Error : Symbol(Error, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
@@ -102,7 +105,7 @@ if (!test) {
 (() => {
     test.slice(1); // No error
 >test.slice : Symbol(String.slice, Decl(lib.d.ts, --, --))
->test : Symbol(test, Decl(controlFlowIIFE.ts, 39, 3))
+>test : Symbol(test, Decl(controlFlowIIFE.ts, 40, 3))
 >slice : Symbol(String.slice, Decl(lib.d.ts, --, --))
 
 })();
diff --git a/tests/baselines/reference/controlFlowIIFE.types b/tests/baselines/reference/controlFlowIIFE.types
index 0a6ad5da02f..c041de04bc7 100644
--- a/tests/baselines/reference/controlFlowIIFE.types
+++ b/tests/baselines/reference/controlFlowIIFE.types
@@ -112,9 +112,13 @@ let maybeNumber: number | undefined;
 >1 : number
 
 })();
+maybeNumber++;
+>maybeNumber++ : number
+>maybeNumber : number
+
 if (maybeNumber !== undefined) {
 >maybeNumber !== undefined : boolean
->maybeNumber : number | undefined
+>maybeNumber : number
 >undefined : undefined
 
     maybeNumber++;
diff --git a/tests/cases/conformance/controlFlow/controlFlowIIFE.ts b/tests/cases/conformance/controlFlow/controlFlowIIFE.ts
index e703fb2fdff..c72f038c1ec 100644
--- a/tests/cases/conformance/controlFlow/controlFlowIIFE.ts
+++ b/tests/cases/conformance/controlFlow/controlFlowIIFE.ts
@@ -34,6 +34,7 @@ let maybeNumber: number | undefined;
 (function () {
     maybeNumber = 1;
 })();
+maybeNumber++;
 if (maybeNumber !== undefined) {
     maybeNumber++;
 }