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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-41888.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-41888.rs b/src/test/ui/issues/issue-41888.rs new file mode 100644 index 000000000..32df520f2 --- /dev/null +++ b/src/test/ui/issues/issue-41888.rs @@ -0,0 +1,34 @@ +// run-pass +fn main() { let _ = g(Some(E::F(K))); } + +type R = Result<(), ()>; +struct K; + +enum E { + F(K), // must not be built-in type + #[allow(dead_code)] + G(Box<E>, Box<E>), +} + +fn translate(x: R) -> R { x } + +fn g(mut status: Option<E>) -> R { + loop { + match status { + Some(infix_or_postfix) => match infix_or_postfix { + E::F(_op) => { // <- must be captured by value + match Ok(()) { + Err(err) => return Err(err), + Ok(_) => {}, + }; + } + _ => (), + }, + _ => match translate(Err(())) { + Err(err) => return Err(err), + Ok(_) => {}, + } + } + status = None; + } +} |