| // RUN_PIPELINE_TILL: BACKEND |
| // FIR_IDENTICAL |
| //KT-1680 Warn if non-null variable is compared to null |
| package kt1680 |
| |
| fun foo() { |
| val x = 1 |
| if (<!SENSELESS_COMPARISON!>x != null<!>) {} // <-- need a warning here! |
| if (<!SENSELESS_COMPARISON!>x == null<!>) {} |
| if (<!SENSELESS_COMPARISON!>null != x<!>) {} |
| if (<!SENSELESS_COMPARISON!>null == x<!>) {} |
| |
| val y : Int? = 1 |
| if (y != null) {} |
| if (y == null) {} |
| } |
| |
| /* GENERATED_FIR_TAGS: equalityExpression, functionDeclaration, ifExpression, integerLiteral, localProperty, |
| nullableType, propertyDeclaration */ |
