Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/ui/parser/extern-abi-from-mac-literal-frag.rs b/tests/ui/parser/extern-abi-from-mac-literal-frag.rs
new file mode 100644
index 000000000..8f5d7f4f7
--- /dev/null
+++ b/tests/ui/parser/extern-abi-from-mac-literal-frag.rs
@@ -0,0 +1,47 @@
+#![allow(clashing_extern_declarations)]
+// check-pass
+
+// In this test we check that the parser accepts an ABI string when it
+// comes from a macro `literal` or `expr` fragment as opposed to a hardcoded string.
+
+fn main() {}
+
+macro_rules! abi_from_lit_frag {
+    ($abi:literal) => {
+        extern $abi {
+            fn _import();
+        }
+
+        extern $abi fn _export() {}
+
+        type _PTR = extern $abi fn();
+    }
+}
+
+macro_rules! abi_from_expr_frag {
+    ($abi:expr) => {
+        extern $abi {
+            fn _import();
+        }
+
+        extern $abi fn _export() {}
+
+        type _PTR = extern $abi fn();
+    };
+}
+
+mod rust {
+    abi_from_lit_frag!("Rust");
+}
+
+mod c {
+    abi_from_lit_frag!("C");
+}
+
+mod rust_expr {
+    abi_from_expr_frag!("Rust");
+}
+
+mod c_expr {
+    abi_from_expr_frag!("C");
+}