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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/15.fir.kt
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+3 -3
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@@ -37,8 +37,8 @@ fun case_3() {
var x: Boolean? = true
if (x != null) {
false || when { else -> { x = null; true} }
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
}
@@ -64,7 +64,7 @@ fun case_4() {
fun case_5() {
var x: Boolean? = true
if (x != null) {
when { else -> { x = null; false} } || <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
when { else -> { x = null; false} } || <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
}