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[FIR] Don't set lambda parameter type to Nothing by default

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... when the expected type is not a function type.
Instead set it to a new type variable.
This fixes a bunch of false negative CANNOT_INFER_PARAMETER_TYPE.

#KT-59882 Fixed
This commit is contained in:
Kirill Rakhman
2024-02-23 11:33:09 +01:00
committed by Space Team
parent 9857bdc891
commit c3c2f6f90a
22 changed files with 48 additions and 94 deletions
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compiler/fir/analysis-tests/testData/resolve/samConversions/kotlinSam.fir.txt
Vendored
+2 -2
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@@ -38,12 +38,12 @@ FILE: kotlinSam.kt
}
))
R|/foo1|(SAM(R|<local>/f|))
R|/foo2<Inapplicable(INAPPLICABLE): /foo2>#|(<L> = foo2@fun <anonymous>(x: R|kotlin/Nothing|): R|kotlin/Boolean| <inline=Unknown> {
R|/foo2<Inapplicable(INAPPLICABLE): /foo2>#|(<L> = foo2@fun <anonymous>(x: <ERROR TYPE REF: Cannot infer type for parameter x>): <ERROR TYPE REF: Cannot infer type variable TypeVariable(_L)> <inline=Unknown> {
^ CMP(>, R|<local>/x|.<Unresolved name: compareTo>#(Int(1)))
}
)
R|/foo2<Inapplicable(INAPPLICABLE): /foo2>#|(R|<local>/f|)
R|/foo3<Inapplicable(INAPPLICABLE): /foo3>#|(<L> = foo3@fun <anonymous>(x: R|kotlin/Nothing|): R|kotlin/Boolean| <inline=Unknown> {
R|/foo3<Inapplicable(INAPPLICABLE): /foo3>#|(<L> = foo3@fun <anonymous>(x: <ERROR TYPE REF: Cannot infer type for parameter x>): <ERROR TYPE REF: Cannot infer type variable TypeVariable(_L)> <inline=Unknown> {
^ CMP(>, R|<local>/x|.<Unresolved name: compareTo>#(Int(1)))
}
)