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K2: Put boolean DFA variables under a feature flag

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^KT-62547 Fixed

I also tested the commit by disabling DfaBooleanVariables in all tests
and checking what tests will fail

I didn't find anything that worked in K1, but doesn't work in K2 with
DfaBooleanVariables disabled

Related tests:
- DiagnosticCompilerTestFirTestdataTestGenerated$Resolve$Smartcasts
- LLFirPreresolvedReversedDiagnosticCompilerFirTestDataTestGenerated$Resolve$Smartcasts
- PreFirIdeSpecTestGenerated$NotLinked$Dfa
- DiagnosticCompilerTestFE10TestdataTestGenerated$Tests$SmartCasts
- FirPsiDiagnosticTestGenerated$Resolve$Expresssions.testSyntheticSmartCast
This commit is contained in:
Nikita Bobko
2024-01-31 12:25:32 +01:00
committed by Space Team
parent 118a5cee06
commit d69deb97fe
8 changed files with 170 additions and 1 deletions
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compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt
+1
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@@ -308,6 +308,7 @@ enum class LanguageFeature(
ForbidInferringTypeVariablesIntoEmptyIntersection(KOTLIN_2_0, kind = BUG_FIX), // KT-51221
ProhibitDefaultArgumentsInExpectActualizedByFakeOverride(KOTLIN_2_0, kind = BUG_FIX), // KT-62036
DisableCompatibilityModeForNewInference(KOTLIN_2_0, kind = OTHER), // KT-63558 (umbrella), KT-64306, KT-64307, KT-64308
DfaBooleanVariables(KOTLIN_2_0), // KT-25747
// 2.1