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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/32.fir.kt
Vendored
+8 -8
View File
@@ -12,8 +12,8 @@ fun stringArg(number: String) {}
*/
fun case_1(x: Int?) {
if (x == null) {
stringArg(<!ARGUMENT_TYPE_MISMATCH, DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>x!!<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>x<!>
stringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Nothing")!>x!!<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>x<!>
}
}
@@ -37,8 +37,8 @@ fun case_2(x: Int?, y: Nothing?) {
fun case_3(x: Int?) {
if (x == null) {
x as Int
stringArg(<!ARGUMENT_TYPE_MISMATCH, DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>x<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>x<!>
stringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>x<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>x<!>
}
}
@@ -50,8 +50,8 @@ fun case_3(x: Int?) {
fun case_4(x: Int?) {
if (x == null) {
x!!
stringArg(<!ARGUMENT_TYPE_MISMATCH, DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>x<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>x<!>
stringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>x<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>x<!>
}
}
@@ -64,7 +64,7 @@ fun case_5(x: Int?) {
if (x == null) {
var y = x
y!!
stringArg(<!ARGUMENT_TYPE_MISMATCH, DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>y<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Int")!>y<!>
stringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>y<!>)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing")!>y<!>
}
}