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FIR: don't emit SENSELESS_NULL_IN_WHEN when value is always null

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This case (value is always null) contradicts the error message which says
"Expression under 'when' is never equal to null".
This commit is contained in:
pyos
2022-11-08 14:26:49 +01:00
committed by teamcity
parent fbb54f0300
commit e7b4927b6c
5 changed files with 10 additions and 9 deletions
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compiler/tests-spec/testData/diagnostics/linked/expressions/when-expression/p-6/pos/5.2.fir.kt
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+1 -1
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@@ -218,7 +218,7 @@ fun case_23(value_1: Nothing) {
// TESTCASE NUMBER: 24
fun case_24(value_1: Nothing?) = when (value_1) {
<!SENSELESS_COMPARISON!>throw Exception()<!>, <!SENSELESS_COMPARISON!><!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> ""<!> -> ""
<!SENSELESS_NULL_IN_WHEN!>null<!>, <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> "", throw throw throw Exception() -> ""
<!SENSELESS_COMPARISON!>null<!>, <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> "", throw throw throw Exception() -> ""
else -> ""
}