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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/68.fir.kt
Vendored
+4 -4
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@@ -14,8 +14,8 @@ fun case_1(x: Any?) {
// TESTCASE NUMBER: 2
fun case_2(x: Any?) {
(x as Nothing?)!!
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!><!UNSAFE_CALL{LT}!>.<!><!UNRESOLVED_REFERENCE!>inv<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!><!UNRESOLVED_REFERENCE{LT}!>inv<!>()
}
// TESTCASE NUMBER: 3
@@ -37,8 +37,8 @@ fun case_4(x: Any?) {
// TESTCASE NUMBER: 5
fun case_5(x: Any?) {
if (x as Nothing? is Nothing) {
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!><!UNSAFE_CALL{LT}!>.<!><!UNRESOLVED_REFERENCE!>inv<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!><!UNRESOLVED_REFERENCE{LT}!>inv<!>()
}
}