normalize long-type.txt in tests

this allows compare-mode to share the same subdirectory and removes
differences due to that

2 files changed, 5 insertions, 4 deletions

diff --git a/tests/ui/recursion/recursion.rs b/tests/ui/recursion/recursion.rs
index f3c633983b1..ce56fe974b7 100644
--- a/tests/ui/recursion/recursion.rs
+++ b/tests/ui/recursion/recursion.rs
@@ -1,6 +1,7 @@
 //@ build-fail
 //@ compile-flags:-C overflow-checks=off
-//@ normalize-stderr: ".nll/" -> "/"
+// The regex below normalizes the long type file name to make it suitable for compare-modes.
+//@ normalize-stderr: "'\$TEST_BUILD_DIR/.*\.long-type.txt'" -> "'$$TEST_BUILD_DIR/$$FILE.long-type.txt'"
 
 enum Nil {NilValue}
 struct Cons<T> {head:isize, tail:T}
diff --git a/tests/ui/recursion/recursion.stderr b/tests/ui/recursion/recursion.stderr
index 7a9f04d4bd6..cb9f67ba741 100644
--- a/tests/ui/recursion/recursion.stderr
+++ b/tests/ui/recursion/recursion.stderr
@@ -1,15 +1,15 @@
 error: reached the recursion limit while instantiating `test::<Cons<Cons<Cons<Cons<Cons<...>>>>>>`
-  --> $DIR/recursion.rs:18:11
+  --> $DIR/recursion.rs:19:11
    |
 LL |     _ => {test (n-1, i+1, Cons {head:2*i+1, tail:first}, Cons{head:i*i, tail:second})}
    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: `test` defined here
-  --> $DIR/recursion.rs:16:1
+  --> $DIR/recursion.rs:17:1
    |
 LL | fn test<T:Dot> (n:isize, i:isize, first:T, second:T) ->isize {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: the full type name has been written to '$TEST_BUILD_DIR/recursion/recursion/recursion.long-type.txt'
+   = note: the full type name has been written to '$TEST_BUILD_DIR/$FILE.long-type.txt'
 
 error: aborting due to 1 previous error