report 'break' and 'continue' inside 'when' as errors (even if 'when' is nested in a loop)

compiler/testData/diagnostics/tests/BreakContinue.kt

@@ -82,4 +82,4 @@ class C {
         }
         a<!UNSAFE_CALL!>.<!>compareTo("2")
     }
-}
+}

compiler/testData/diagnostics/tests/BreakContinue.txt

@@ -1,4 +1,4 @@
-package
+package 
 
 internal final class C {
     public constructor C()

compiler/testData/diagnostics/tests/BreakContinueInWhen.kt

@@ -0,0 +1,55 @@
+fun breakContinueInWhen(i: Int) {
+    for (y in 0..10) {
+        when(i) {
+            0 -> <!BREAK_OR_CONTINUE_IN_WHEN!>continue<!>
+            1 -> <!BREAK_OR_CONTINUE_IN_WHEN!>break<!>
+            2 -> {
+                for(z in 0..10) {
+                    break
+                }
+                for(w in 0..10) {
+                    continue
+                }
+            }
+        }
+    }
+}
+
+
+fun breakContinueInWhenWithWhile(i: Int, j: Int) {
+    while (i > 0) {
+        when (i) {
+            0 -> <!BREAK_OR_CONTINUE_IN_WHEN!>continue<!>
+            1 -> <!BREAK_OR_CONTINUE_IN_WHEN!>break<!>
+            2 -> {
+                while (j > 0) {
+                    break
+                }
+            }
+        }
+    }
+}
+
+fun breakContinueInWhenWithDoWhile(i: Int, j: Int) {
+    do {
+        when (i) {
+            0 -> <!BREAK_OR_CONTINUE_IN_WHEN!>continue<!>
+            1 -> <!BREAK_OR_CONTINUE_IN_WHEN!>break<!>
+            2 -> {
+                do {
+                    if (j == 5) break
+                    if (j == 10) continue
+                } while (j > 0)
+            }
+        }
+    } while (i > 0)
+}
+
+fun labeledBreakContinue(i: Int) {
+    @outer for (y in 0..10) {
+        when (i) {
+            0 -> continue@outer
+            1 -> break@outer
+        }
+    }
+}

compiler/testData/diagnostics/tests/BreakContinueInWhen.txt

@@ -0,0 +1,6 @@
+package 
+
+internal fun breakContinueInWhen(/*0*/ i: kotlin.Int): kotlin.Unit
+internal fun breakContinueInWhenWithDoWhile(/*0*/ i: kotlin.Int, /*1*/ j: kotlin.Int): kotlin.Unit
+internal fun breakContinueInWhenWithWhile(/*0*/ i: kotlin.Int, /*1*/ j: kotlin.Int): kotlin.Unit
+internal fun labeledBreakContinue(/*0*/ i: kotlin.Int): kotlin.Unit