2 files changed, 18 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.txt b/test/passes/optimize-instructions.txt
index 68359d9fb..f7948860c 100644
--- a/test/passes/optimize-instructions.txt
+++ b/test/passes/optimize-instructions.txt
@@ -2015,4 +2015,13 @@
    (i32.const 255)
   )
  )
+ (func $neg-shifts-and-255-b (type $2) (result i32)
+  (i32.and
+   (i32.shl
+    (i32.const -2349025)
+    (i32.const -32)
+   )
+   (i32.const 255)
+  )
+ )
 )
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast
index 5300b8da8..107451b87 100644
--- a/test/passes/optimize-instructions.wast
+++ b/test/passes/optimize-instructions.wast
@@ -2442,4 +2442,13 @@
      (i32.const 255)
     )
   )
+  (func $neg-shifts-and-255-b (result i32)
+   (i32.and
+    (i32.shl
+     (i32.const -2349025)
+     (i32.const -32) ;; this shift does nothing
+    )
+    (i32.const 255)
+   )
+  )
 )