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Relax rules about inferring to Nothing for special calls

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#KT-37388 Fixed
 #KT-38427 Fixed
 #KT-39953 Fixed
 #KT-38899 Fixed
This commit is contained in:
Mikhail Zarechenskiy
2020-07-15 10:59:10 +03:00
parent e45cd02b01
commit 100a6f70ca
55 changed files with 424 additions and 264 deletions
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compiler/testData/diagnostics/tests/implicitIntersection.kt
Vendored
+2 -2
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@@ -10,13 +10,13 @@ interface C
fun <!OI;IMPLICIT_INTERSECTION_TYPE!>foo<!>(b: B) = if (b is A && b is C) b else null
// Ok: given explicitly
fun gav(b: B): A? = if (b is A && b is C) <!OI;DEBUG_INFO_SMARTCAST!>b<!> else null
fun gav(b: B): A? = if (b is A && b is C) <!DEBUG_INFO_SMARTCAST!>b<!> else null
class My(b: B) {
// Error!
val <!OI;IMPLICIT_INTERSECTION_TYPE!>x<!> = if (b is A && b is C) b else null
// Ok: given explicitly
val y: C? = if (b is A && b is C) <!OI;DEBUG_INFO_SMARTCAST!>b<!> else null
val y: C? = if (b is A && b is C) <!DEBUG_INFO_SMARTCAST!>b<!> else null
// Error!
fun <!OI;IMPLICIT_INTERSECTION_TYPE!>foo<!>(b: B) = if (b is A && b is C) b else null
}