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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/9.fir.kt
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+1 -1
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@@ -61,7 +61,7 @@ fun case_3(a: Inv<out Int>?) {
if (a != null) {
val b = a
if (a == null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out kotlin.Int>? & Inv<out kotlin.Int>")!>b<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out kotlin.Int>? & kotlin.Nothing")!>b<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out kotlin.Int>? & Inv<out kotlin.Int>")!>b<!>.equals(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out kotlin.Int>? & Inv<out kotlin.Int>")!>b<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out kotlin.Int>? & Inv<out kotlin.Int>")!>b<!>.propAny