diff options
Diffstat (limited to 'tests/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs')
-rw-r--r-- | tests/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs b/tests/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs new file mode 100644 index 000000000..1b5db2012 --- /dev/null +++ b/tests/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs @@ -0,0 +1,34 @@ +// run-pass +// pretty-expanded FIXME #23616 + +struct S; +// Ensure S is moved, not copied, on assignment. +impl Drop for S { fn drop(&mut self) { } } + +// user-defined function "returning" bottom (i.e., no return at all). +fn my_panic() -> ! { loop {} } + +pub fn step(f: bool) { + let mut g = S; + let mut i = 0; + loop + { + if i > 10 { break; } else { i += 1; } + + let _g = g; + + if f { + // re-initialize g, but only before restarting loop. + g = S; + continue; + } + + my_panic(); + + // we never get here, so we do not need to re-initialize g. + } +} + +pub fn main() { + step(true); +} |