Squashed 'subprojects/thiserror/' content from commit 247eab5

git-subtree-dir: subprojects/thiserror
git-subtree-split: 247eab5d79e27ad28859afdf8bc600a4242829b7

tests/ui/duplicate-fmt.rs

@@ -0,0 +1,23 @@
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+#[error("...")]
+#[error("...")]
+pub struct Error;
+
+#[derive(Error, Debug)]
+#[error(fmt = core::fmt::Octal::fmt)]
+#[error(fmt = core::fmt::LowerHex::fmt)]
+pub enum FmtFmt {}
+
+#[derive(Error, Debug)]
+#[error(fmt = core::fmt::Octal::fmt)]
+#[error(transparent)]
+pub enum FmtTransparent {}
+
+#[derive(Error, Debug)]
+#[error(fmt = core::fmt::Octal::fmt)]
+#[error("...")]
+pub enum FmtDisplay {}
+
+fn main() {}