From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:58 +0200
Subject: Adding upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/proc-macro/allowed-attr-stmt-expr.rs | 78 +++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 tests/ui/proc-macro/allowed-attr-stmt-expr.rs

(limited to 'tests/ui/proc-macro/allowed-attr-stmt-expr.rs')

diff --git a/tests/ui/proc-macro/allowed-attr-stmt-expr.rs b/tests/ui/proc-macro/allowed-attr-stmt-expr.rs
new file mode 100644
index 000000000..25243aeef
--- /dev/null
+++ b/tests/ui/proc-macro/allowed-attr-stmt-expr.rs
@@ -0,0 +1,78 @@
+// aux-build:attr-stmt-expr.rs
+// aux-build:test-macros.rs
+// compile-flags: -Z span-debug
+// check-pass
+
+#![feature(proc_macro_hygiene)]
+#![feature(stmt_expr_attributes)]
+#![feature(rustc_attrs)]
+#![allow(dead_code)]
+
+#![no_std] // Don't load unnecessary hygiene information from std
+extern crate std;
+
+extern crate attr_stmt_expr;
+extern crate test_macros;
+use attr_stmt_expr::{expect_let, expect_my_macro_stmt, expect_expr, expect_my_macro_expr};
+use test_macros::print_attr;
+
+// We don't use `std::println` so that we avoid loading hygiene
+// information from libstd, which would affect the SyntaxContext ids
+macro_rules! my_macro {
+    ($($tt:tt)*) => { () }
+}
+
+
+fn print_str(string: &'static str) {
+    // macros are handled a bit differently
+    #[expect_my_macro_expr]
+    my_macro!("{}", string)
+}
+
+macro_rules! make_stmt {
+    ($stmt:stmt) => {
+        #[print_attr]
+        #[rustc_dummy]
+        $stmt; // This semicolon is *not* passed to the macro,
+               // since `$stmt` is already a statement.
+    }
+}
+
+macro_rules! second_make_stmt {
+    ($stmt:stmt) => {
+        make_stmt!($stmt);
+    }
+}
+
+// The macro will see a semicolon here
+#[print_attr]
+struct ItemWithSemi;
+
+
+fn main() {
+    make_stmt!(struct Foo {});
+
+    #[print_attr]
+    #[expect_let]
+    let string = "Hello, world!";
+
+    #[print_attr]
+    #[expect_my_macro_stmt]
+    my_macro!("{}", string);
+
+    #[print_attr]
+    second_make_stmt!(#[allow(dead_code)] struct Bar {});
+
+    #[print_attr]
+    #[rustc_dummy]
+    struct Other {};
+
+    // The macro also sees a semicolon,
+    // for consistency with the `ItemWithSemi` case above.
+    #[print_attr]
+    #[rustc_dummy]
+    struct NonBracedStruct;
+
+    #[expect_expr]
+    print_str("string")
+}
-- 
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