[FE 1.0] Make "Unit conversions" accessible experimental feature

compiler/testData/diagnostics/tests/unitConversion/chainedFunSuspendUnitConversion.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion +SuspendConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun interface SuspendRunnable {

compiler/testData/diagnostics/tests/unitConversion/chainedFunSuspendUnitConversion.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion +SuspendConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun interface SuspendRunnable {

compiler/testData/diagnostics/tests/unitConversion/chainedFunUnitConversion.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun interface KRunnable {

compiler/testData/diagnostics/tests/unitConversion/chainedFunUnitConversion.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun interface KRunnable {

compiler/testData/diagnostics/tests/unitConversion/chainedUnitSuspendConversion.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion +SuspendConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: suspend () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/chainedUnitSuspendConversion.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion +SuspendConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: suspend () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/kt49394.fir.kt

@@ -0,0 +1,15 @@
+fun interface Run {
+    fun run()
+}
+
+fun handle(run: Run) {
+    //...
+}
+
+val x = {
+    "STRING"
+}
+
+fun test() {
+    handle(<!ARGUMENT_TYPE_MISMATCH!>x<!>)
+}

compiler/testData/diagnostics/tests/unitConversion/kt49394.kt

@@ -0,0 +1,15 @@
+fun interface Run {
+    fun run()
+}
+
+fun handle(run: Run) {
+    //...
+}
+
+val x = {
+    "STRING"
+}
+
+fun test() {
+    handle(<!UNSUPPORTED_FEATURE("The feature "unit conversions on arbitrary expressions" is experimental and should be enabled explicitly")!>x<!>)
+}

compiler/testData/diagnostics/tests/unitConversion/kt49394.txt

@@ -0,0 +1,12 @@
+package
+
+public val x: () -> kotlin.String
+public fun handle(/*0*/ run: Run): kotlin.Unit
+public fun test(): kotlin.Unit
+
+public fun interface Run {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract fun run(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/unitConversion/unitConversionDisabledForSimpleArguments.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: -UnitConversion
+// !LANGUAGE: -UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/unitConversionDisabledForSimpleArguments.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: -UnitConversion
+// !LANGUAGE: -UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/unitConversionForAllKinds.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/unitConversionForAllKinds.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: () -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/unitConversionForSubtypes.fir.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: (Int, String) -> Unit) {}

compiler/testData/diagnostics/tests/unitConversion/unitConversionForSubtypes.kt

@@ -1,4 +1,4 @@
-// !LANGUAGE: +UnitConversion
+// !LANGUAGE: +UnitConversionsOnArbitraryExpressions
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
 
 fun foo(f: (Int, String) -> Unit) {}