diff --git a/tests/coverage/generic-unused-impl.cov-map b/tests/coverage/generic-unused-impl.cov-map
index 7cb6d2f385d..5878de231ba 100644
--- a/tests/coverage/generic-unused-impl.cov-map
+++ b/tests/coverage/generic-unused-impl.cov-map
@@ -1,18 +1,18 @@
 Function name: <generic_unused_impl::W<_> as core::convert::From<[<_ as generic_unused_impl::Foo>::Assoc; 1]>>::from (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 00, 0a, 05, 03, 06]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 0b, 05, 03, 06]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Zero) at (prev + 10, 5) to (start + 3, 6)
+- Code(Zero) at (prev + 11, 5) to (start + 3, 6)
 Highest counter ID seen: (none)
 
 Function name: generic_unused_impl::main
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 10, 01, 00, 0d]
+Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 01, 00, 0d]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 16, 1) to (start + 0, 13)
+- Code(Counter(0)) at (prev + 17, 1) to (start + 0, 13)
 Highest counter ID seen: c0
 
diff --git a/tests/coverage/generic-unused-impl.coverage b/tests/coverage/generic-unused-impl.coverage
index 0c20285f845..c3a3c724290 100644
--- a/tests/coverage/generic-unused-impl.coverage
+++ b/tests/coverage/generic-unused-impl.coverage
@@ -1,3 +1,4 @@
+   LL|       |// Regression test for #135235.
    LL|       |trait Foo {
    LL|       |    type Assoc;
    LL|       |
diff --git a/tests/coverage/generic-unused-impl.rs b/tests/coverage/generic-unused-impl.rs
index e44b1ca8a1d..86231389450 100644
--- a/tests/coverage/generic-unused-impl.rs
+++ b/tests/coverage/generic-unused-impl.rs
@@ -1,3 +1,4 @@
+// Regression test for #135235.
 trait Foo {
     type Assoc;