Remove now duplicated handling of missingType

weswigham · weswigham · commit 638a3bfb1ed7 · 2022-09-21T12:42:58.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -14952,12 +14952,6 @@ namespace ts {
                         includes & TypeFlags.IncludesWildcard ? wildcardType : anyType :
                         includes & TypeFlags.Null || containsType(typeSet, unknownType) ? unknownType : nonNullUnknownType;
                 }
-                if (includes & TypeFlags.Undefined) {
-                    const missingIndex = binarySearch(typeSet, missingType, getTypeId, compareValues);
-                    if (missingIndex >= 0 && containsType(typeSet, undefinedType)) {
-                        orderedRemoveItemAt(typeSet, missingIndex);
-                    }
-                }
                 if (includes & (TypeFlags.Literal | TypeFlags.UniqueESSymbol | TypeFlags.TemplateLiteral | TypeFlags.StringMapping) || includes & TypeFlags.Void && includes & TypeFlags.Undefined) {
                     removeRedundantLiteralTypes(typeSet, includes, !!(unionReduction & UnionReduction.Subtype));
                 }

Original file line number	Diff line number	Diff line change
`@@ -14952,12 +14952,6 @@ namespace ts {`
`14952`	`14952`	`includes & TypeFlags.IncludesWildcard ? wildcardType : anyType :`
`14953`	`14953`	`includes & TypeFlags.Null \|\| containsType(typeSet, unknownType) ? unknownType : nonNullUnknownType;`
`14954`	`14954`	`}`
`14955`		`- if (includes & TypeFlags.Undefined) {`
`14956`		`- const missingIndex = binarySearch(typeSet, missingType, getTypeId, compareValues);`
`14957`		`- if (missingIndex >= 0 && containsType(typeSet, undefinedType)) {`
`14958`		`- orderedRemoveItemAt(typeSet, missingIndex);`
`14959`		`- }`
`14960`		`- }`
`14961`	`14955`	`if (includes & (TypeFlags.Literal \| TypeFlags.UniqueESSymbol \| TypeFlags.TemplateLiteral \| TypeFlags.StringMapping) \|\| includes & TypeFlags.Void && includes & TypeFlags.Undefined) {`
`14962`	`14956`	`removeRedundantLiteralTypes(typeSet, includes, !!(unionReduction & UnionReduction.Subtype));`
`14963`	`14957`	`}`