do...while (true) is now considered infinite loop in CFA #KT-3896 Fixed

Also #KT-3883 Fixed Also #KT-4986 Fixed
2016-03-11 19:27:08 +03:00
parent 4cf3ec3df2
commit 569a5888ff
11 changed files with 221 additions and 10 deletions
@@ -0,0 +1,55 @@
+fun unreachable() {}
+
+fun a() {
+    do {
+    } while (true)
+    <!UNREACHABLE_CODE!>unreachable()<!>
+}
+
+fun b() {
+    while (true) {
+    }
+    <!UNREACHABLE_CODE!>unreachable()<!>
+}
+
+fun c() {
+    do {} while (1 == 1)
+}
+
+fun d() {
+    while (2 == 2) {}
+}
+
+fun use(arg: Any) = arg
+
+fun f(cond: Boolean) {
+    val bar: Any
+    do {
+        if (cond) {
+            bar = "value"
+            break
+        }
+    } while (true)
+    use(bar) // should work
+
+    val foo: Any
+    while (true) {
+        if (cond) {
+            foo = "value"
+            break
+        }
+    }
+    use(foo) // should work
+}
+
+fun g(): Int {
+    do {
+        if (true) return 12
+    } while (true)
+} // should work
+
+fun h(): Int {
+    while (true) {
+        if (true) return 12
+    }
+} // should work