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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/8.fir.kt
Vendored
+10 -10
View File
@@ -57,16 +57,16 @@ fun case_3(a: Inv<Int>?) {
if (a != null) {
val b = a
if (a == null) {
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.equals(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.propAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.funAny()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & Inv<kotlin.Int>")!>b<!>.funNullableAny()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.equals(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.propAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.funAny()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>? & kotlin.Nothing")!>b<!>.funNullableAny()
}
}
}