Introduce status file variable gc_fuzzer.

Bug: v8:6917
Change-Id: Ib983e3dfa8fac25fd494fb24e245bfd0caadd7fd
Reviewed-on: https://chromium-review.googlesource.com/766187Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michał Majewski <majeski@google.com>
Cr-Commit-Position: refs/heads/master@{#49326}

tools/testrunner/deopt_fuzzer.py

@@ -273,6 +273,7 @@ class DeoptFuzzer(base_runner.BaseTestRunner):
       "byteorder": sys.byteorder,
       "dcheck_always_on": self.build_config.dcheck_always_on,
       "deopt_fuzzer": True,
+      "gc_fuzzer": False,
       "gc_stress": False,
       "gcov_coverage": self.build_config.gcov_coverage,
       "isolates": options.isolates,

tools/testrunner/gc_fuzzer.py

@@ -361,6 +361,7 @@ class GCFuzzer(base_runner.BaseTestRunner):
       "byteorder": sys.byteorder,
       "dcheck_always_on": self.build_config.dcheck_always_on,
       "deopt_fuzzer": False,
+      "gc_fuzzer": True,
       "gc_stress": False,
       "gcov_coverage": self.build_config.gcov_coverage,
       "isolates": options.isolates,

tools/testrunner/standard_runner.py

@@ -385,6 +385,7 @@ class StandardTestRunner(base_runner.BaseTestRunner):
         "byteorder": sys.byteorder,
         "dcheck_always_on": self.build_config.dcheck_always_on,
         "deopt_fuzzer": False,
+        "gc_fuzzer": False,
         "gc_stress": options.gc_stress,
         "gcov_coverage": self.build_config.gcov_coverage,
         "isolates": options.isolates,