Revert "[test] Don't hide crashes in predictable mode"

This reverts commit 589a4d1d.

Reason for revert: Breaks webkit:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20predictable/builds/11714

Original change's description:
> [test] Don't hide crashes in predictable mode
> 
> Bug: v8:6426
> Change-Id: I278dda0d628732bb9c539c2648d2b27bcbc89bf0
> Reviewed-on: https://chromium-review.googlesource.com/512643
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#45504}

TBR=jkummerow@chromium.org,machenbach@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Bug: v8:6426

Change-Id: I85c573fa332f436bb57f2747ad98c26e1c1f23bd
Reviewed-on: https://chromium-review.googlesource.com/513866Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45506}

test/mjsunit/mjsunit.status

@@ -594,19 +594,6 @@
 
   # crbug.com/v8/5803
   'wasm/gc-frame': [SKIP],
-
-  # BUG(v8:6426): Investigate why these crash.
-  'array-functions-prototype-misc': [CRASH],
-  'generated-transition-stub': [CRASH],
-  'ignition/regress-672027': [CRASH],
-  'regress/regress-2790': [CRASH],
-  'regress/regress-331444': [CRASH],
-  'regress/regress-410912': [CRASH],
-  'regress/regress-542823': [CRASH],
-  'unbox-double-arrays': [CRASH],
-
-  # BUG(v8:6426): Investigate why this fails.
-  'harmony/futex': [FAIL],
 }],  # 'predictable == True'
 
 ##############################################################################

tools/testrunner/local/execution.py

@@ -294,25 +294,19 @@ class Runner(object):
 
     # Always pass the test duration for the database update.
     test.duration = result[2]
-    previous_output = test.output
-    test.output = result[1]
-    if test.run == 1 and test.suite.HasUnexpectedOutput(test):
-      # TODO(machenbach): Rerunning failures is not supported in predictable
-      # mode.
+    if test.run == 1 and result[1].HasTimedOut():
+      # If we get a timeout in the first run, we are already in an
+      # unpredictable state. Just report it as a failure and don't rerun.
+      test.output = result[1]
       self.remaining -= 1
       self.failed.append(test)
       self.indicator.HasRun(test, True)
-    elif test.run > 1 and HasDifferentAllocations(previous_output, result[1]):
+    if test.run > 1 and HasDifferentAllocations(test.output, result[1]):
       # From the second run on, check for different allocations. If a
       # difference is found, call the indicator twice to report both tests.
       # All runs of each test are counted as one for the statistic.
       self.remaining -= 1
       self.failed.append(test)
-
-      # TODO(machenbach): The indicator needs a makeover. We should
-      # differentiate between a test and a particular run (including
-      # output/duration) of that test.
-      test.output = previous_output
       self.indicator.HasRun(test, True)
       test.output = result[1]
       self.indicator.HasRun(test, True)
@@ -320,11 +314,13 @@ class Runner(object):
       # No difference on the third run -> report a success.
       self.remaining -= 1
       self.succeeded += 1
+      test.output = result[1]
       self.indicator.HasRun(test, False)
     else:
       # No difference yet and less than three runs -> add another run and
       # remember the output for comparison.
       test.run += 1
+      test.output = result[1]
       pool.add([TestJob(test)])
     # Always update the perf database.
     return True