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[FE 1.0] Report USELESS_IS_CHECK if is expression is always false

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^KT-47684 Fixed
This commit is contained in:
Dmitriy Novozhilov
2021-07-09 14:03:48 +03:00
committed by teamcityserver
parent 785e2f862c
commit 7b5a5f5682
24 changed files with 283 additions and 59 deletions
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compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/smartcasts/pos/9.kt
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+1 -1
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@@ -108,7 +108,7 @@ fun case_8(value_1: Any?) {
// TESTCASE NUMBER: 9
fun case_9(value_1: Any?) {
if (funWithReturnsFalse(value_1 is String) || funWithReturnsFalse(value_1 is Int)) {
if (funWithReturnsFalse(value_1 is String) || funWithReturnsFalse(<!USELESS_IS_CHECK!>value_1 is Int<!>)) {
} else {
println(<!DEBUG_INFO_SMARTCAST!>value_1<!>.length)