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[FIR] Comparison to String implies smart cast to String

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When the left-hand side of an equality comparison is known to be a
String, and the equality condition resolves to true, then the right-hand
side can be smart-cast to a String as well. This was working for String
expressions on the left-hand side but not for String constants.

^KT-57513 Fixed
This commit is contained in:
Brian Norman
2023-10-03 14:37:12 -05:00
committed by Space Team
parent c19fc3ced3
commit ccda8ae23d
5 changed files with 89 additions and 6 deletions
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compiler/testData/diagnostics/tests/smartCasts/equals.txt
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@@ -2,8 +2,12 @@ package
public fun bar(/*0*/ i: Test?): kotlin.Unit
public fun bar(/*0*/ i: TestWithEquals?): kotlin.Unit
public fun char(/*0*/ foo: kotlin.Any): kotlin.Unit
public fun foo(/*0*/ x: kotlin.String?): kotlin.String?
public fun gav(/*0*/ i: TestWithEquals?, /*1*/ j: TestWithEquals?): kotlin.Unit
public fun int(/*0*/ foo: kotlin.Any): kotlin.Unit
public fun long(/*0*/ foo: kotlin.Any): kotlin.Unit
public fun string(/*0*/ foo: kotlin.Any): kotlin.Unit
public final class Test {
public constructor Test()