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-rw-r--r--tests/ui/error-codes/E0582.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/ui/error-codes/E0582.rs b/tests/ui/error-codes/E0582.rs
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+++ b/tests/ui/error-codes/E0582.rs
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+// This test was derived from the wasm and parsell crates.  They
+// stopped compiling when #32330 is fixed.
+
+#![allow(dead_code, unused_variables)]
+
+use std::str::Chars;
+
+pub trait HasOutput<Ch, Str> {
+    type Output;
+}
+
+#[derive(Clone, PartialEq, Eq, Hash, Ord, PartialOrd, Debug)]
+pub enum Token<'a> {
+    Begin(&'a str)
+}
+
+fn mk_unexpected_char_err<'a>() -> Option<&'a i32> {
+    unimplemented!()
+}
+
+fn foo<'a>(data: &mut Chars<'a>) {
+    bar(mk_unexpected_char_err)
+}
+
+fn bar<F>(t: F)
+    // No type can satisfy this requirement, since `'a` does not
+    // appear in any of the input types:
+    where F: for<'a> Fn() -> Option<&'a i32>
+    //~^ ERROR E0582
+{
+}
+
+fn baz<F>(t: F)
+    // No type can satisfy this requirement, since `'a` does not
+    // appear in any of the input types:
+    where F: for<'a> Iterator<Item=&'a i32>
+    //~^ ERROR E0582
+{
+}
+
+fn main() {
+}