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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/62.fir.kt
Vendored
+4 -4
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@@ -154,7 +154,7 @@ fun case_10(x: Any): String {
*/
fun case_11(x: Any?): String? {
if (x is Nothing?) {
return <!NO_ELSE_IN_WHEN!>when<!>(x) {
return when(x) {
null -> null
}
}
@@ -168,7 +168,7 @@ fun case_11(x: Any?): String? {
*/
fun case_12(x: Any?): String? {
if (x == null) {
return <!NO_ELSE_IN_WHEN!>when<!>(x) {
return when(x) {
null -> null
}
}
@@ -182,7 +182,7 @@ fun case_12(x: Any?): String? {
*/
fun case_13(x: Any?): String? {
if (x === null) {
return <!NO_ELSE_IN_WHEN!>when<!>(x) {
return when(x) {
null -> null
}
}
@@ -196,7 +196,7 @@ fun case_13(x: Any?): String? {
*/
fun case_14(x: Any?): String? {
x as Nothing?
return <!NO_ELSE_IN_WHEN!>when<!>(x) {
return when(x) {
null -> null
}
}