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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/40.fir.kt
Vendored
+8 -8
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@@ -133,10 +133,10 @@ fun case_13(x: Any?) {
*/
fun case_14(x: Any?) {
if (x == null) {
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>?.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>x!!<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any")!>x<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>?.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Nothing")!>x!!<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing")!>x<!>.equals(10)
}
}
@@ -147,10 +147,10 @@ fun case_14(x: Any?) {
*/
fun case_15(x: Any?) {
if (x !== null) else {
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any?")!>x<!>?.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>x!!<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Any")!>x<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing?")!>x<!>?.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Nothing")!>x!!<!>.equals(10)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any? & kotlin.Nothing")!>x<!>.equals(10)
}
}