diff --git a/deps/aig b/deps/aig
index 00f138637d..adc0ca5666 160000
--- a/deps/aig
+++ b/deps/aig
@@ -1 +1 @@
-Subproject commit 00f138637d8936566534103878ca895613b7f714
+Subproject commit adc0ca56664804d5f1e7e8d8f794a5c1104068aa
diff --git a/intTests/test1828/.gitignore b/intTests/test1828/.gitignore
new file mode 100644
index 0000000000..2e31392fa5
--- /dev/null
+++ b/intTests/test1828/.gitignore
@@ -0,0 +1,2 @@
+left.aig
+right.aig
diff --git a/intTests/test1828/test.saw b/intTests/test1828/test.saw
new file mode 100644
index 0000000000..f839820e50
--- /dev/null
+++ b/intTests/test1828/test.saw
@@ -0,0 +1,2 @@
+write_aig "left.aig" {{ \x -> x * 0x12345678 }};
+write_aig "right.aig" {{ \x -> 0x12345678 * x }};
diff --git a/intTests/test1828/test.sh b/intTests/test1828/test.sh
new file mode 100755
index 0000000000..a914d55337
--- /dev/null
+++ b/intTests/test1828/test.sh
@@ -0,0 +1,9 @@
+set -e
+
+# This test case uses `write_aiger` to produce AIG files for two nearly
+# identical functions, where the only difference is the order of arguments (one
+# symbolic and one concrete) in a bitvector multiplication. If the `aig` library
+# does its job correctly, these should produce identical AIG files, so check
+# this using `diff`.
+$SAW test.saw
+diff -ru left.aig right.aig