Disable test on deopt fuzzer that uses a little too much memory

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index a7ddafc5b788484c85042710d521e66108b06beb..20995f2c84ac90c31811c9c0d0b56b6834faae26 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -588,6 +588,9 @@
   'readonly': [SKIP],
   'array-feedback': [SKIP],
 
+  # Deopting uses just enough memory to make this one OOM.
+  'regress/regress-3976': [SKIP],
+
   # Deopt every n garbage collections collides with deopt every n times.
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == True'