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FIR DFA: x !is T? => x != null

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^KT-22996 tag fixed-in-k2
This commit is contained in:
pyos
2022-11-14 17:18:01 +01:00
committed by teamcity
parent 02fedeb9ed
commit f485413cfd
18 changed files with 118 additions and 53 deletions
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compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/common/neg/1.fir.kt
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+3 -3
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@@ -20,7 +20,7 @@ inline fun case_1(value_1: Int?, block: () -> Unit): Boolean {
// TESTCASE NUMBER: 2
inline fun <T> T?.case_2(value_1: Int?, value_2: Any?, block: () -> Unit): Boolean? {
<!WRONG_IMPLIES_CONDITION, WRONG_IMPLIES_CONDITION!>contract {
<!WRONG_IMPLIES_CONDITION, WRONG_IMPLIES_CONDITION, WRONG_IMPLIES_CONDITION!>contract {
callsInPlace(block, InvocationKind.AT_MOST_ONCE)
returns(true) implies (value_1 == null && this@case_2 == null && value_2 !is Boolean?)
returns(false) implies (value_2 is Boolean?)
@@ -55,7 +55,7 @@ fun case_2(value_1: Int?, value_2: Int?, value_3: Any?) {
val value_4: Int
when (value_1.case_2(value_2, value_3) { value_4 = 10 }) {
true -> {
<!OVERLOAD_RESOLUTION_AMBIGUITY!>println<!>(value_3?.<!UNRESOLVED_REFERENCE!>xor<!>(true))
<!OVERLOAD_RESOLUTION_AMBIGUITY!>println<!>(value_3<!UNNECESSARY_SAFE_CALL!>?.<!><!UNRESOLVED_REFERENCE!>xor<!>(true))
println(<!UNINITIALIZED_VARIABLE!>value_4<!>)
println(value_1<!UNSAFE_CALL!>.<!>inv())
println(value_2<!UNSAFE_CALL!>.<!>inv())
@@ -66,7 +66,7 @@ fun case_2(value_1: Int?, value_2: Int?, value_3: Any?) {
println(value_2)
}
null -> {
<!OVERLOAD_RESOLUTION_AMBIGUITY!>println<!>(value_3?.<!UNRESOLVED_REFERENCE!>xor<!>(true))
<!OVERLOAD_RESOLUTION_AMBIGUITY!>println<!>(value_3<!UNNECESSARY_SAFE_CALL!>?.<!><!UNRESOLVED_REFERENCE!>xor<!>(true))
println(<!UNINITIALIZED_VARIABLE!>value_4<!>)
println(value_1)
println(value_2)