Add an informative comment on regress-1132 ASAN suppression

test/mjsunit/mjsunit.status

 # Copyright 2012 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
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@@ skipping 390 matching lines @@
   # Issue 3219:
   'getters-on-elements': [PASS, ['gc_stress == True', FAIL]],
 }],  # 'arch == arm64 and mode == debug and simulator_run == True'
 
 ##############################################################################
 ['asan == True', {
   # Skip tests not suitable for ASAN.
   'big-array-literal': [SKIP],
   'big-object-literal': [SKIP],
   'regress/regress-crbug-178790': [SKIP],
+
+  # Exception thrown during bootstrapping on ASAN builds, see issue 4236.
   'regress/regress-1132': [SKIP],
 }],  # 'asan == True'
 
 ##############################################################################
 ['msan == True', {
   # Skip tests not suitable for MSAN.
   'big-array-literal': [SKIP],
   # ICU upstream issues.
   'date': [SKIP],
   'deep-recursion': [SKIP],
@@ skipping 234 matching lines @@
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == True'
 
 ##############################################################################
 ['arch == ppc and simulator_run == True or arch == ppc64 and simulator_run == True', {
 
   # take too long with the simulator.
   'regress/regress-1132': [SKIP],
 }],  # 'arch == ppc and simulator_run == True'
 ]