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-rw-r--r--tests/ui/parser/foreign-const-syntactic-fail.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/parser/foreign-const-syntactic-fail.rs b/tests/ui/parser/foreign-const-syntactic-fail.rs
new file mode 100644
index 00000000000..a6e77f84663
--- /dev/null
+++ b/tests/ui/parser/foreign-const-syntactic-fail.rs
@@ -0,0 +1,9 @@
+// Syntactically, a `const` item inside an `extern { ... }` block is not allowed.
+
+fn main() {}
+
+#[cfg(FALSE)]
+extern "C" {
+    const A: isize; //~ ERROR extern items cannot be `const`
+    const B: isize = 42; //~ ERROR extern items cannot be `const`
+}