Fix typo passing flags to rustc

ecstatic-morse · ecstatic-morse · commit 242702965b75 · 2019-10-01T15:09:53.000-07:00
diff --git a/src/test/ui/issues/issue-23477.rs b/src/test/ui/issues/issue-23477.rs
@@ -1,5 +1,5 @@
 // build-pass (FIXME(62277): could be check-pass?)
-// compiler-flags: -g
+// compile-flags: -g
 
 pub struct Dst {
     pub a: (),
