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FIR DFA: smartcast variable to Nothing? on null assignment

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In order to make resolution still work for members not available from
`Nothing`, we track the type without `Nothing?` and use that for
resolution instead.
This commit is contained in:
Tianyu Geng
2021-07-22 10:01:10 -07:00
committed by teamcityserver
parent 7e2f15f532
commit 4726dcce40
54 changed files with 334 additions and 320 deletions
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compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/60.fir.kt
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+2 -2
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@@ -10,7 +10,7 @@ fun case_1() {
inner@ do {
x = null
} while (x == null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>.length
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>.length
}
}