Implicit Nothing return type is now deprecated

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/commasAndWhitespaces.kt

@@ -6,7 +6,7 @@ fun testCommasAndWhitespaces() {
     <!UNREACHABLE_CODE!>bar(<!> 1 , todo() , <!UNREACHABLE_CODE!>"" )<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 
 
 

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/commentsInDeadCode.kt

@@ -15,7 +15,7 @@ fun test3() {
     <!UNREACHABLE_CODE!>bar(<!>11, l@(todo()/*comment*/), <!UNREACHABLE_CODE!>"")<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 
 fun bar(<!UNUSED_PARAMETER!>i<!>: Int, <!UNUSED_PARAMETER!>s<!>: String, <!UNUSED_PARAMETER!>a<!>: Any) {}
 

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCallInInvokeCall.kt

@@ -8,4 +8,4 @@ fun testInvokeWithLambda() {
     todo()<!UNREACHABLE_CODE!>(1){ 42 }<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCallInReceiver.kt

@@ -8,4 +8,4 @@ fun test12() {
     todo()<!UNNECESSARY_SAFE_CALL!>?.<!><!UNREACHABLE_CODE!>bar(1)<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeFromDifferentSources.kt

@@ -14,7 +14,7 @@ fun test3() {
     <!UNREACHABLE_CODE!>bar()<!>
 }
 
-fun throwNPE() = null!!
+fun throwNPE(): Nothing = null!!
 
 class A {
     operator fun plus(<!UNUSED_PARAMETER!>a<!>: A): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInArrayAccess.kt

@@ -37,4 +37,4 @@ fun testArrayPlusAssign(array: Array<Any>) {
     array[1] <!UNREACHABLE_CODE!>+=<!> todo()
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInAssignment.kt

@@ -15,4 +15,4 @@ fun testPlusAssign() {
 }
 
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInBinaryExpressions.kt

@@ -35,5 +35,5 @@ fun returnInBinary2(): Boolean {
     (return true) <!UNREACHABLE_CODE!>|| (return false)<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 fun bar() {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInCalls.kt

@@ -10,4 +10,4 @@ fun testArgumentInVariableAsFunctionCall(f: (Any) -> Unit) {
     f<!UNREACHABLE_CODE!>(<!>todo()<!UNREACHABLE_CODE!>)<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInDeadCode.kt

@@ -21,4 +21,4 @@ fun unreachable4(array: Array<Any>) {
 }
 
 fun bar(a: Any) {}
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInIf.kt

@@ -8,5 +8,5 @@ fun testIf1(b: Boolean) {
     bar()
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 fun bar() {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInInnerExpressions.kt

@@ -10,4 +10,4 @@ fun testCompound1() {
     <!UNREACHABLE_CODE!>(<!>todo() <!UNREACHABLE_CODE!>* "")[1]<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInLocalDeclarations.kt

@@ -32,5 +32,5 @@ fun testFunctionDefaultArgument() {
 
 open class Foo(i: Int) {}
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 fun bar() {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInLoops.kt

@@ -17,5 +17,5 @@ fun testDoWhile() {
     <!UNREACHABLE_CODE!>bar()<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()
 fun bar() {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInReturn.kt

@@ -2,4 +2,4 @@ fun testReturn() {
     <!UNREACHABLE_CODE!>return<!> todo()
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInUnaryExpr.kt

@@ -12,4 +12,4 @@ fun testPostfixSpecial() {
     todo()<!UNNECESSARY_NOT_NULL_ASSERTION, UNREACHABLE_CODE!>!!<!>
 }
 
-fun todo() = throw Exception()
+fun todo(): Nothing = throw Exception()