[vm, gc] Remove some dead code.

- Serial scavenge
- Serial marking
- Redudant safepoint operation scope
- Redudant Thread::Current
- Unused HandleVisitor::thread_
- Profile tag updates in PRODUCT mode
- Freelist printing

TEST=ci
Change-Id: I2de4c50df37c7ebe9d267514bcbd548dd61a5a57
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/426582
Commit-Queue: Ryan Macnak <[email protected]>
Reviewed-by: Alexander Aprelev <[email protected]>

Author: rmacnak-google

runtime/tests/vm/dart/gc/fragmentation_test.dart

@@ -19,7 +19,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--profiler --dontneed_on_sweep

runtime/tests/vm/dart/gc/fragmentation_typed_data_test.dart

@@ -13,7 +13,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--profiler --dontneed_on_sweep

runtime/tests/vm/dart/gc/scavenger_abort_test.dart

@@ -2,9 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-// VMOptions=
-// VMOptions=--scavenger_tasks=0
-
 import "dart:io";
 import "package:expect/expect.dart";
 

runtime/tests/vm/dart/gc/splay_c_finalizer_test.dart

@@ -18,7 +18,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--verify_before_gc

runtime/tests/vm/dart/gc/splay_dart_finalizer_test.dart

@@ -18,7 +18,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--verify_before_gc

runtime/tests/vm/dart/gc/splay_ephemeron_test.dart

@@ -20,7 +20,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--verify_before_gc

runtime/tests/vm/dart/gc/splay_isolates_test.dart

@@ -17,7 +17,6 @@
 // VMOptions=--profiler --concurrent_mark --concurrent_sweep
 // VMOptions=--profiler --concurrent_mark --use_compactor
 // VMOptions=--profiler --concurrent_mark --use_compactor --force_evacuation
-// VMOptions=--profiler --scavenger_tasks=0
 // VMOptions=--profiler --verify_before_gc
 // VMOptions=--profiler --verify_after_gc
 // VMOptions=--profiler --verify_before_gc --verify_after_gc

runtime/tests/vm/dart/gc/splay_test.dart

@@ -18,7 +18,6 @@
 // VMOptions=--profiler --concurrent_mark --use_compactor
 // VMOptions=--profiler --concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--profiler --scavenger_tasks=-1
-// VMOptions=--profiler --scavenger_tasks=0
 // VMOptions=--profiler --scavenger_tasks=1
 // VMOptions=--profiler --scavenger_tasks=2
 // VMOptions=--profiler --verify_before_gc

runtime/tests/vm/dart/gc/splay_weak_test.dart

@@ -18,7 +18,6 @@
 // VMOptions=--concurrent_mark --use_compactor
 // VMOptions=--concurrent_mark --use_compactor --force_evacuation
 // VMOptions=--scavenger_tasks=-1
-// VMOptions=--scavenger_tasks=0
 // VMOptions=--scavenger_tasks=1
 // VMOptions=--scavenger_tasks=2
 // VMOptions=--verify_before_gc

runtime/vm/bootstrap.cc

@@ -113,7 +113,7 @@ static ErrorPtr BootstrapFromKernelSingleProgram(
     Thread* thread,
     std::unique_ptr<kernel::Program> program) {
   Zone* zone = thread->zone();
-  LongJumpScope jump;
+  LongJumpScope jump(thread);
   if (DART_SETJMP(*jump.Set()) == 0) {
     kernel::KernelLoader loader(program.get(), /*uri_to_source_table=*/nullptr);