Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / legacy-const-generics-bad.rs

diff --git a/src/test/ui/legacy-const-generics-bad.rs b/src/test/ui/legacy-const-generics-bad.rs
new file mode 100644 (file)
index 0000000..538eee3
--- /dev/null
+++ b/src/test/ui/legacy-const-generics-bad.rs
@@ -0,0 +1,16 @@
+// aux-build:legacy-const-generics.rs
+
+extern crate legacy_const_generics;
+
+fn foo<const N: usize>() {
+    let a = 1;
+    legacy_const_generics::foo(0, a, 2);
+    //~^ ERROR attempt to use a non-constant value in a constant
+
+    legacy_const_generics::foo(0, N, 2);
+
+    legacy_const_generics::foo(0, N + 1, 2);
+    //~^ ERROR generic parameters may not be used in const operations
+}
+
+fn main() {}