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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/neg/23.fir.kt
Vendored
+4 -4
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@@ -31,8 +31,8 @@ inline fun <reified T, reified K> case_3() {
var x: T? = 10 as T
x = null
if (x is K) {
<!DEBUG_INFO_EXPRESSION_TYPE("T? & T?!! & K!!")!>x<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("T? & T?!! & K!!")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("T? & kotlin.Nothing")!>x<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("T? & kotlin.Nothing")!>x<!>
println(1)
}
}
@@ -61,8 +61,8 @@ inline fun <reified T, reified K> case_6() {
var x: T? = 10 as T
if (x is K) {
x = null
<!DEBUG_INFO_EXPRESSION_TYPE("T?")!>x<!><!UNSAFE_CALL!>.<!>equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("T?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("T? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("T? & kotlin.Nothing?")!>x<!>
println(1)
}
}