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Report CANNOT_INFER_PARAMETER_TYPE on any error value parameters of a lambda

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^KT-48058 Fixed
This commit is contained in:
Victor Petukhov
2021-08-06 10:13:54 +03:00
committed by teamcityserver
parent 1966915e92
commit cd09c8ba51
14 changed files with 97 additions and 10 deletions
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compiler/frontend/src/org/jetbrains/kotlin/resolve/FunctionDescriptorResolver.kt
+3 -4
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@@ -65,6 +65,7 @@ import org.jetbrains.kotlin.types.expressions.ExpressionTypingServices
import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils
import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils.isFunctionExpression
import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils.isFunctionLiteral
import org.jetbrains.kotlin.types.isError
import org.jetbrains.kotlin.types.typeUtil.replaceAnnotations
import java.util.*
@@ -446,10 +447,8 @@ class FunctionDescriptorResolver(
}
} else {
type = if (isFunctionLiteral(functionDescriptor) || isFunctionExpression(functionDescriptor)) {
val containsUninferredParameter = TypeUtils.contains(expectedType) {
TypeUtils.isDontCarePlaceholder(it) || ErrorUtils.isUninferredParameter(it)
}
if (expectedType == null || containsUninferredParameter) {
val containsErrorType = TypeUtils.contains(expectedType) { it.isError }
if (expectedType == null || containsErrorType) {
trace.report(CANNOT_INFER_PARAMETER_TYPE.on(valueParameter))
}