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KT-2166 Control flow analysis doesn't detect that a 'while(true)' loop never terminates

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KT-2103 Compiler requires return statement after loop which never exits
 #KT-2166 Fixed
 #KT-2103 Fixed
This commit is contained in:
Svetlana Isakova
2012-06-08 20:26:27 +04:00
parent 0e850e5d30
commit 2971c1630e
6 changed files with 63 additions and 36 deletions
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compiler/testData/diagnostics/tests/controlStructures/kt770.kt351.kt735_StatementType.jet
+5 -2
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@@ -118,8 +118,11 @@ fun bar(<!UNUSED_PARAMETER!>a<!>: Unit) {}
fun testStatementInExpressionContext() {
var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>z<!> = 34
val <!UNUSED_VARIABLE!>a1<!>: Unit = <!ASSIGNMENT_IN_EXPRESSION_CONTEXT!>z = <!UNUSED_VALUE!>334<!><!>
val <!UNUSED_VARIABLE!>a2<!>: Unit = <!EXPRESSION_EXPECTED!>while(true) {}<!>
val <!UNUSED_VARIABLE!>f<!> = <!EXPRESSION_EXPECTED!>for (i in 1..10) {}<!>
if (true) return <!ASSIGNMENT_IN_EXPRESSION_CONTEXT!>z = <!UNUSED_VALUE!>34<!><!>
return <!EXPRESSION_EXPECTED!>while (true) {}<!>
<!UNREACHABLE_CODE!>return <!EXPRESSION_EXPECTED!>while (true) {}<!><!>
}
fun testStatementInExpressionContext2() {
<!UNREACHABLE_CODE!>val <!UNUSED_VARIABLE!>a2<!>: Unit = <!EXPRESSION_EXPECTED!>while(true) {}<!><!>
}