1 files changed, 67 insertions, 0 deletions
diff --git a/src/test/ui/parser/expr-as-stmt.fixed b/src/test/ui/parser/expr-as-stmt.fixed
new file mode 100644
index 000000000..36709eea1
--- /dev/null
+++ b/src/test/ui/parser/expr-as-stmt.fixed
@@ -0,0 +1,67 @@
+// run-rustfix
+// rustfix-only-machine-applicable
+#![allow(unused_variables)]
+#![allow(dead_code)]
+#![allow(unused_must_use)]
+
+fn foo() -> i32 {
+    ({2}) + {2} //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+}
+
+fn bar() -> i32 {
+    ({2}) + 2 //~ ERROR leading `+` is not supported
+    //~^ ERROR mismatched types
+}
+
+fn zul() -> u32 {
+    let foo = 3;
+    ({ 42 }) + foo; //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+    32
+}
+
+fn baz() -> i32 {
+    ({ 3 }) * 3 //~ ERROR type `{integer}` cannot be dereferenced
+    //~^ ERROR mismatched types
+}
+
+fn moo(x: u32) -> bool {
+    (match x {
+        _ => 1,
+    }) > 0 //~ ERROR expected expression
+}
+
+fn qux() -> u32 {
+    ({2}) - 2 //~ ERROR cannot apply unary operator `-` to type `u32`
+    //~^ ERROR mismatched types
+}
+
+fn space_cadet() -> bool {
+    ({ true }) | { true } //~ ERROR E0308
+    //~^ ERROR expected parameter name
+}
+
+fn revenge_from_mars() -> bool {
+    ({ true }) && { true } //~ ERROR E0308
+    //~^ ERROR mismatched types
+}
+
+fn attack_from_mars() -> bool {
+    ({ true }) || { true } //~ ERROR E0308
+    //~^ ERROR mismatched types
+}
+
+// This gets corrected by adding a semicolon, instead of parens.
+// It's placed here to help keep track of the way this diagnostic
+// needs to interact with type checking to avoid MachineApplicable
+// suggestions that actually break stuff.
+//
+// If you're wondering what happens if that `foo()` is a `true` like
+// all the ones above use? Nothing. It makes neither suggestion in
+// that case.
+fn asteroids() -> impl FnOnce() -> bool {
+    { foo(); } || { true } //~ ERROR E0308
+}
+
+fn main() {}