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[FIR] Check is for impossibility

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^KT-58203 Fixed
^KT-62646
This commit is contained in:
Nikolay Lunyak
2024-02-29 15:39:33 +02:00
committed by Space Team
parent 92d8da621e
commit 88ff93df7f
42 changed files with 110 additions and 83 deletions
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compiler/testData/diagnostics/tests/smartCasts/variables/aliasing.fir.kt
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+3 -3
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@@ -25,7 +25,7 @@ fun test() {
b.<!UNRESOLVED_REFERENCE!>length<!> // error
c.length // OK, since `c` is aliased to `a`
}
if (b is String) {
if (<!USELESS_IS_CHECK!>b is String<!>) {
a.<!UNRESOLVED_REFERENCE!>length<!> // error
c.<!UNRESOLVED_REFERENCE!>length<!> // error
}
@@ -35,11 +35,11 @@ fun test() {
}
a = 2 // break `c` -> `a`
if (a is String) {
if (<!USELESS_IS_CHECK!>a is String<!>) {
b.<!UNRESOLVED_REFERENCE!>length<!> // error
c.<!UNRESOLVED_REFERENCE!>length<!> // error
}
if (b is String) {
if (<!USELESS_IS_CHECK!>b is String<!>) {
a.<!UNRESOLVED_REFERENCE!>length<!> // error
c.<!UNRESOLVED_REFERENCE!>length<!> // error
}