Bug fix: jump out of a loop inside if condition

compiler/testData/diagnostics/tests/smartCasts/loops/WhileTrueWithBreakInIfCondition.kt

@@ -0,0 +1,13 @@
+fun checkJump(x: Int?, y: Int?) {
+    while (true) {
+        if (x ?: break == 0) {
+            y!!
+        } else {
+            y!!
+        }
+        // Ok
+        <!DEBUG_INFO_SMARTCAST!>y<!>.hashCode()
+    }
+    // Smart cast here is erroneous: y is nullable
+    y<!UNSAFE_CALL!>.<!>hashCode()
+}

compiler/testData/diagnostics/tests/smartCasts/loops/WhileTrueWithBreakInIfCondition.txt

@@ -0,0 +1,3 @@
+package
+
+public fun checkJump(/*0*/ x: kotlin.Int?, /*1*/ y: kotlin.Int?): kotlin.Unit