Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs
new file mode 100644
index 000000000..12befc637
--- /dev/null
+++ b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs
@@ -0,0 +1,55 @@
+#![feature(let_chains, let_else)]
+
+fn main() {
+    let opt = Some(1i32);
+
+    let Some(n) = opt else {
+        return;
+    };
+    let Some(n) = opt && n == 1 else {
+    //~^ ERROR a `&&` expression cannot be directly assigned in `let...else`
+    //~| ERROR mismatched types
+    //~| ERROR mismatched types
+        return;
+    };
+    let Some(n) = opt && let another = n else {
+    //~^ ERROR a `&&` expression cannot be directly assigned in `let...else`
+    //~| ERROR `let` expressions are not supported here
+    //~| ERROR mismatched types
+    //~| ERROR mismatched types
+    //~| ERROR expected expression, found `let` statement
+        return;
+    };
+
+    if let Some(n) = opt else {
+    //~^ ERROR this `if` expression is missing a block after the condition
+        return;
+    };
+    if let Some(n) = opt && n == 1 else {
+    //~^ ERROR this `if` expression is missing a block after the condition
+        return;
+    };
+    if let Some(n) = opt && let another = n else {
+    //~^ ERROR this `if` expression is missing a block after the condition
+        return;
+    };
+
+    {
+        while let Some(n) = opt else {
+        //~^ ERROR expected `{`, found keyword `else`
+            return;
+        };
+    }
+    {
+        while let Some(n) = opt && n == 1 else {
+        //~^ ERROR expected `{`, found keyword `else`
+            return;
+        };
+    }
+    {
+        while let Some(n) = opt && let another = n else {
+        //~^ ERROR expected `{`, found keyword `else`
+            return;
+        };
+    }
+}