diff --git a/tests/baselines/reference/nullishCoalescingOperator1.js b/tests/baselines/reference/nullishCoalescingOperator1.js
index 87a149c1855..9b857a1473d 100644
--- a/tests/baselines/reference/nullishCoalescingOperator1.js
+++ b/tests/baselines/reference/nullishCoalescingOperator1.js
@@ -38,10 +38,36 @@ const cc4 = c4 ?? true;
 const dd1 = d1 ?? {b: 1};
 const dd2 = d2 ?? {b: 1};
 const dd3 = d3 ?? {b: 1};
-const dd4 = d4 ?? {b: 1};
+const dd4 = d4 ?? {b: 1};
+
+// Repro from #34635
+
+declare function foo(): void;
+
+const maybeBool = false;
+
+if (!(maybeBool ?? true)) {
+    foo();
+}
+
+if (maybeBool ?? true) {
+    foo();
+}
+else {
+    foo();
+}
+
+if (false ?? true) {
+    foo();
+}
+else {
+    foo();
+}
+
 
 //// [nullishCoalescingOperator1.js]
 "use strict";
+var _a;
 var aa1 = (a1 !== null && a1 !== void 0 ? a1 : 'whatever');
 var aa2 = (a2 !== null && a2 !== void 0 ? a2 : 'whatever');
 var aa3 = (a3 !== null && a3 !== void 0 ? a3 : 'whatever');
@@ -58,3 +84,19 @@ var dd1 = (d1 !== null && d1 !== void 0 ? d1 : { b: 1 });
 var dd2 = (d2 !== null && d2 !== void 0 ? d2 : { b: 1 });
 var dd3 = (d3 !== null && d3 !== void 0 ? d3 : { b: 1 });
 var dd4 = (d4 !== null && d4 !== void 0 ? d4 : { b: 1 });
+var maybeBool = false;
+if (!((maybeBool !== null && maybeBool !== void 0 ? maybeBool : true))) {
+    foo();
+}
+if ((maybeBool !== null && maybeBool !== void 0 ? maybeBool : true)) {
+    foo();
+}
+else {
+    foo();
+}
+if (_a = false, (_a !== null && _a !== void 0 ? _a : true)) {
+    foo();
+}
+else {
+    foo();
+}
diff --git a/tests/baselines/reference/nullishCoalescingOperator1.symbols b/tests/baselines/reference/nullishCoalescingOperator1.symbols
index fb95dee5096..83bd5162280 100644
--- a/tests/baselines/reference/nullishCoalescingOperator1.symbols
+++ b/tests/baselines/reference/nullishCoalescingOperator1.symbols
@@ -123,3 +123,38 @@ const dd4 = d4 ?? {b: 1};
 >d4 : Symbol(d4, Decl(nullishCoalescingOperator1.ts, 19, 13))
 >b : Symbol(b, Decl(nullishCoalescingOperator1.ts, 39, 19))
 
+// Repro from #34635
+
+declare function foo(): void;
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+
+const maybeBool = false;
+>maybeBool : Symbol(maybeBool, Decl(nullishCoalescingOperator1.ts, 45, 5))
+
+if (!(maybeBool ?? true)) {
+>maybeBool : Symbol(maybeBool, Decl(nullishCoalescingOperator1.ts, 45, 5))
+
+    foo();
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+}
+
+if (maybeBool ?? true) {
+>maybeBool : Symbol(maybeBool, Decl(nullishCoalescingOperator1.ts, 45, 5))
+
+    foo();
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+}
+else {
+    foo();
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+}
+
+if (false ?? true) {
+    foo();
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+}
+else {
+    foo();
+>foo : Symbol(foo, Decl(nullishCoalescingOperator1.ts, 39, 25))
+}
+
diff --git a/tests/baselines/reference/nullishCoalescingOperator1.types b/tests/baselines/reference/nullishCoalescingOperator1.types
index 0e800540ee8..81aa6a7404c 100644
--- a/tests/baselines/reference/nullishCoalescingOperator1.types
+++ b/tests/baselines/reference/nullishCoalescingOperator1.types
@@ -170,3 +170,54 @@ const dd4 = d4 ?? {b: 1};
 >b : number
 >1 : 1
 
+// Repro from #34635
+
+declare function foo(): void;
+>foo : () => void
+
+const maybeBool = false;
+>maybeBool : false
+>false : false
+
+if (!(maybeBool ?? true)) {
+>!(maybeBool ?? true) : true
+>(maybeBool ?? true) : false
+>maybeBool ?? true : false
+>maybeBool : false
+>true : true
+
+    foo();
+>foo() : void
+>foo : () => void
+}
+
+if (maybeBool ?? true) {
+>maybeBool ?? true : false
+>maybeBool : false
+>true : true
+
+    foo();
+>foo() : void
+>foo : () => void
+}
+else {
+    foo();
+>foo() : void
+>foo : () => void
+}
+
+if (false ?? true) {
+>false ?? true : false
+>false : false
+>true : true
+
+    foo();
+>foo() : void
+>foo : () => void
+}
+else {
+    foo();
+>foo() : void
+>foo : () => void
+}
+