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Data flow analysis: assignment of null makes variable effectively of type 'Nothing?'

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This commit is contained in:
Mikhail Glukhikh
2016-01-20 19:53:43 +03:00
parent 859059d714
commit 366ab508e1
3 changed files with 8 additions and 7 deletions
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compiler/testData/diagnostics/tests/BinaryCallsOnNullableValues.kt
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+3 -3
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@@ -5,10 +5,10 @@ class A() {
fun f(): Unit {
var x: Int? = <!VARIABLE_WITH_REDUNDANT_INITIALIZER!>1<!>
x = null
<!DEBUG_INFO_CONSTANT!>x<!> <!UNSAFE_INFIX_CALL!>+<!> 1
<!DEBUG_INFO_CONSTANT!>x<!> <!UNSAFE_INFIX_CALL, INFIX_MODIFIER_REQUIRED!>plus<!> 1
<!DEBUG_INFO_CONSTANT!>x<!> + 1
<!DEBUG_INFO_CONSTANT!>x<!> <!INFIX_MODIFIER_REQUIRED!>plus<!> 1
<!DEBUG_INFO_CONSTANT!>x<!> <!UNSAFE_INFIX_CALL!><<!> 1
<!DEBUG_INFO_CONSTANT!>x<!> <!UNSAFE_INFIX_CALL!>+=<!> 1
<!TYPE_MISMATCH!><!DEBUG_INFO_CONSTANT!>x<!> += 1<!>
<!DEBUG_INFO_CONSTANT!>x<!> == 1
<!DEBUG_INFO_CONSTANT!>x<!> != 1