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Diffstat (limited to 'tests/ui/consts/issue-66693-panic-in-array-len.rs')
-rw-r--r--tests/ui/consts/issue-66693-panic-in-array-len.rs15
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/consts/issue-66693-panic-in-array-len.rs b/tests/ui/consts/issue-66693-panic-in-array-len.rs
new file mode 100644
index 00000000000..fc0dcd7a44d
--- /dev/null
+++ b/tests/ui/consts/issue-66693-panic-in-array-len.rs
@@ -0,0 +1,15 @@
+// This is a separate test from `issue-66693.rs` because array lengths are evaluated
+// in a separate stage before `const`s and `statics` and so the error below is hit and
+// the compiler exits before generating errors for the others.
+
+fn main() {
+    let _ = [0i32; panic!(2f32)];
+    //~^ ERROR: argument to `panic!()` in a const context must have type `&str`
+
+    // ensure that conforming panics are handled correctly
+    let _ = [false; panic!()];
+    //~^ ERROR: evaluation of constant value failed
+
+    // typechecking halts before getting to this one
+    let _ = ['a', panic!("panic in array len")];
+}