diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 778e31b9c5b..a81cf64fa15 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -11252,13 +11252,7 @@ namespace ts { } function checkSpreadExpression(node: SpreadElement, contextualMapper?: TypeMapper): Type { - // It is usually not safe to call checkExpressionCached if we can be contextually typing. - // You can tell that we are contextually typing because of the contextualMapper parameter. - // While it is true that a spread element can have a contextual type, it does not do anything - // with this type. It is neither affected by it, nor does it propagate it to its operand. - // So the fact that contextualMapper is passed is not important, because the operand of a spread - // element is not contextually typed. - const arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + const arrayOrIterableType = checkExpression(node.expression, contextualMapper); return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, /*allowStringInput*/ false); }