summaryrefslogtreecommitdiffstats
path: root/src/test/ui/reachable/expr_block.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/reachable/expr_block.rs')
-rw-r--r--src/test/ui/reachable/expr_block.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/reachable/expr_block.rs b/src/test/ui/reachable/expr_block.rs
new file mode 100644
index 000000000..136bccce8
--- /dev/null
+++ b/src/test/ui/reachable/expr_block.rs
@@ -0,0 +1,31 @@
+#![allow(unused_variables)]
+#![allow(unused_assignments)]
+#![allow(dead_code)]
+#![deny(unreachable_code)]
+
+fn a() {
+ // Here the tail expression is considered unreachable:
+ let x = {
+ return;
+ 22 //~ ERROR unreachable
+ };
+}
+
+fn b() {
+ // Here the `x` assignment is considered unreachable, not the block:
+ let x = {
+ return;
+ };
+}
+
+fn c() {
+ // Here the `println!` is unreachable:
+ let x = {
+ return;
+ println!("foo");
+ //~^ ERROR unreachable statement
+ 22
+ };
+}
+
+fn main() { }