diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.bad b/test/functions/iterators/bugs/iter-memory-leak-unpack.bad
new file mode 100644
index 000000000000..5c9c57dfdb42
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.bad
@@ -0,0 +1,20 @@
+{id = 2}
+deinit C id=2
+{id = 4}
+deinit C id=4
+(id = 2)
+deinit R id=2
+deinit R id=2
+deinit R id=1
+(id = 4)
+deinit R id=4
+deinit R id=4
+deinit R id=3
+
+=================================================== Memory Leaks ====================================================
+Allocated Memory (Bytes)             Number   Size     Total    Description                      Address             
+=====================================================================================================================
+iter-memory-leak-unpack.chpl:26      1        16       16       C                                prediffed  
+iter-memory-leak-unpack.chpl:26      1        16       16       C                                prediffed  
+=====================================================================================================================
+
diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.chpl b/test/functions/iterators/bugs/iter-memory-leak-unpack.chpl
new file mode 100644
index 000000000000..466fb76438ed
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.chpl
@@ -0,0 +1,31 @@
+class C {
+  var id: int;
+  proc deinit() {
+    writeln("deinit C id=", id);
+  }
+}
+
+record R {
+  var id: int;
+  proc deinit() {
+    writeln("deinit R id=", id);
+  }
+}
+
+iter foo() {
+  yield (new C(1), new C(2));
+  yield (new C(3), new C(4));
+}
+
+iter bar() {
+  yield (new R(1), new R(2));
+  yield (new R(3), new R(4));
+}
+
+
+for (_, x) in foo() {
+  writeln(x);
+}
+for (_, x) in bar() {
+  writeln(x);
+}
diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.execopts b/test/functions/iterators/bugs/iter-memory-leak-unpack.execopts
new file mode 100644
index 000000000000..0e124c953c80
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.execopts
@@ -0,0 +1 @@
+--memLeaks
diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.future b/test/functions/iterators/bugs/iter-memory-leak-unpack.future
new file mode 100644
index 000000000000..11daf9339713
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.future
@@ -0,0 +1,2 @@
+bug: ignoring a value in a tuple unpack doesn't invoke the destructor
+#25926
diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.good b/test/functions/iterators/bugs/iter-memory-leak-unpack.good
new file mode 100644
index 000000000000..2f50d521a2ab
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.good
@@ -0,0 +1,16 @@
+{id = 2}
+deinit C id=2
+deinit C id=1
+{id = 4}
+deinit C id=4
+deinit C id=3
+(id = 2)
+deinit R id=2
+deinit R id=1
+deinit R id=2
+deinit R id=1
+(id = 4)
+deinit R id=4
+deinit R id=3
+deinit R id=4
+deinit R id=3
diff --git a/test/functions/iterators/bugs/iter-memory-leak-unpack.prediff b/test/functions/iterators/bugs/iter-memory-leak-unpack.prediff
new file mode 100755
index 000000000000..3762f3755985
--- /dev/null
+++ b/test/functions/iterators/bugs/iter-memory-leak-unpack.prediff
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+sed -E "s/0x[0-9a-f]*/prediffed/" <$2 >$2.predifftmp
+mv $2.predifftmp $2