azalea/kotlin-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[FE] Don't check intersection emptiness if there were lower constraints

Browse Source
This commit is contained in:
Victor Petukhov
2022-04-27 10:30:09 +03:00
committed by teamcity
parent d4d45a8410
commit 73be9d0a20
5 changed files with 14 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/ResolutionParts.kt
+5 -1
View File
@@ -892,7 +892,11 @@ internal object CheckIncompatibleTypeVariableUpperBounds : ResolutionPart() {
for (variableWithConstraints in getSystem().getBuilder().currentStorage().notFixedTypeVariables.values) {
val upperTypes = variableWithConstraints.constraints.extractUpperTypesToCheckIntersectionEmptiness()
if (upperTypes.computeEmptyIntersectionTypeKind().isDefinitelyEmpty()) {
// TODO: consider reporting errors on bounded type variables by incompatible types but with other lower constraints
if (
variableWithConstraints.constraints.none { it.kind.isLower() }
&& upperTypes.computeEmptyIntersectionTypeKind().isDefinitelyEmpty()
) {
val isInferredEmptyIntersectionForbidden =
callComponents.languageVersionSettings.supportsFeature(LanguageFeature.ForbidInferringTypeVariablesIntoEmptyIntersection)