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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/smartCasts/alwaysNull.kt
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+1 -1
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@@ -4,7 +4,7 @@ fun foo(): String {
s = null
<!DEBUG_INFO_CONSTANT!>s<!>?.length
<!OI;DEBUG_INFO_CONSTANT!>s<!><!UNSAFE_CALL!>.<!>length
if (<!SENSELESS_COMPARISON!><!DEBUG_INFO_CONSTANT!>s<!> == null<!>) <!NI;UNREACHABLE_CODE!>return<!> <!ALWAYS_NULL!>s<!>!!
if (<!SENSELESS_COMPARISON!><!DEBUG_INFO_CONSTANT!>s<!> == null<!>) return <!ALWAYS_NULL!>s<!>!!
var t: String? = "y"
if (t == null) t = "x"
var x: Int? = null