[regexp] Mark regress-793588 as failing on no_i18n builds

ICU is needed to parse unicode property names.

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

TBR=mths@chromium.org

Bug: chromium:793588
Change-Id: I7a4cd2885713c490fbc53867079fba69a26cba75
Reviewed-on: https://chromium-review.googlesource.com/831515
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50147}

test/mjsunit/mjsunit.status

@@ -168,6 +168,7 @@
   'regexp-modifiers-autogenerated-i18n': [PASS, ['no_i18n == True', FAIL]],
   # desugaring regexp property class relies on ICU.
   'harmony/regexp-property-*': [PASS, ['no_i18n == True', FAIL]],
+  'regress/regress-793588': [PASS, ['no_i18n == True', FAIL]],
 
   # noi18n build cannot parse characters in supplementary plane.
   'harmony/regexp-named-captures': [PASS, ['no_i18n == True', FAIL]],