When-statements & correct line numbers

compiler/testData/codegen/statements/when.kt

@@ -0,0 +1,9 @@
+fun z() {}
+
+fun foo(x: Int) {
+    when {
+        x == 21 -> z()
+        x == 42 -> z()
+        else -> {}
+    }
+}

compiler/testData/codegen/statements/whenSubject.kt

@@ -0,0 +1,9 @@
+fun z() {}
+
+fun foo(x: Int) {
+    when (x) {
+        21 -> z()
+        42 -> z()
+        else -> {}
+    }
+}

compiler/testData/lineNumber/custom/when.kt

@@ -0,0 +1,15 @@
+fun foo(x: Int) {
+    when {
+        x == 21 -> foo(x)
+        x == 42 -> foo(x)
+        else -> foo(x)
+    }
+    
+    val t = when {
+        x == 21 -> foo(x)
+        x == 42 -> foo(x)
+        else -> foo(x)
+    }
+}
+
+// 3 4 5 9 10 11 8

compiler/testData/lineNumber/custom/whenSubject.kt

@@ -0,0 +1,15 @@
+fun foo(x: Int) {
+    when (x) {
+        21 -> foo(x)
+        42 -> foo(x)
+        else -> foo(x)
+    }
+    
+    val t = when (x) {
+        21 -> foo(x)
+        42 -> foo(x)
+        else -> foo(x)
+    }
+}
+
+// 2 3 4 5 8 9 10 11 8