From 8675dc142f78c784663e814dd4b57afe8669b428 Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Fri, 17 Jun 2022 15:53:32 -0700
Subject: [PATCH] Inherit allowReturnTypeInArrowFunction in
 parseConditionalExpressionRest

---
 src/compiler/parser.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index f1419f2770af4..8c16ff9a910da 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -4422,7 +4422,7 @@ namespace ts {
             }
 
             // It wasn't an assignment or a lambda.  This is a conditional expression:
-            return parseConditionalExpressionRest(expr, pos);
+            return parseConditionalExpressionRest(expr, pos, allowReturnTypeInArrowFunction);
         }
 
         function isYieldExpression(): boolean {
@@ -4853,7 +4853,7 @@ namespace ts {
             return node;
         }
 
-        function parseConditionalExpressionRest(leftOperand: Expression, pos: number): Expression {
+        function parseConditionalExpressionRest(leftOperand: Expression, pos: number, allowReturnTypeInArrowFunction: boolean): Expression {
             // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher.
             const questionToken = parseOptionalToken(SyntaxKind.QuestionToken);
             if (!questionToken) {
@@ -4870,7 +4870,7 @@ namespace ts {
                     doOutsideOfContext(disallowInAndDecoratorContext, () => parseAssignmentExpressionOrHigher(/*allowReturnTypeInArrowFunction*/ false)),
                     colonToken = parseExpectedToken(SyntaxKind.ColonToken),
                     nodeIsPresent(colonToken)
-                        ? parseAssignmentExpressionOrHigher(/*allowReturnTypeInArrowFunction*/ false)
+                        ? parseAssignmentExpressionOrHigher(allowReturnTypeInArrowFunction)
                         : createMissingNode(SyntaxKind.Identifier, /*reportAtCurrentPosition*/ false, Diagnostics._0_expected, tokenToString(SyntaxKind.ColonToken))
                 ),
                 pos