[Flags] Remove --ignition-staging flag.

Removes the --ignition-staging flag since it is no longer used
by anything and won't be a shipping configuration. Also removes
ignition_turbo variant from testrunner, since it is now 
the same as the turbofan variant.

BUG=v8:4280

Change-Id: I3b96e986879fc70b8e202fe9496334828acdd0ba
Reviewed-on: https://chromium-review.googlesource.com/452621
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43806}

src/flag-definitions.h

@@ -268,15 +268,10 @@ DEFINE_BOOL(future, FUTURE_BOOL,
             "not-too-far future")
 DEFINE_IMPLICATION(future, turbo)
 
-DEFINE_DUAL_IMPLICATION(turbo, ignition_staging)
+DEFINE_DUAL_IMPLICATION(turbo, ignition)
 DEFINE_DUAL_IMPLICATION(turbo, enable_fast_array_builtins)
 DEFINE_DUAL_IMPLICATION(turbo, thin_strings)
 
-// TODO(rmcilroy): Remove ignition-staging and set these implications directly
-// with the turbo flag.
-DEFINE_BOOL(ignition_staging, false, "use ignition with all staged features")
-DEFINE_DUAL_IMPLICATION(ignition_staging, ignition)
-
 // Flags for experimental implementation features.
 DEFINE_BOOL(allocation_site_pretenuring, true,
             "pretenure with allocation sites")

test/cctest/cctest.status

@@ -366,10 +366,10 @@
 }],  # variant == turbofan_opt
 
 ##############################################################################
-['variant == turbofan or variant == ignition_turbofan', {
+['variant == turbofan', {
   # BUG(4751). Flaky with Ignition.
   'test-cpu-profiler/JsNativeJsSample': [SKIP],
-}],  # variant == turbofan or variant == ignition_turbofan
+}],  # variant == turbofan
 
 ##############################################################################
 ['variant == asm_wasm', {

test/mjsunit/asm/regress-674089.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --ignition-staging --lazy-inner-functions
+// Flags: --validate-asm --ignition --lazy-inner-functions
 
 function outer() {
   "use asm";

test/mjsunit/regress/regress-5380.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --ignition-staging --turbo
+// Flags: --allow-natives-syntax --ignition --turbo
 
 function f(do_osr) {
   for (var i = 0; i < 3; ++i) {

test/mjsunit/regress/regress-639270.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --es-staging --ignition-staging --turbo
+// Flags: --allow-natives-syntax --es-staging --ignition --turbo
 
 "use strict";
 

test/mjsunit/regress/regress-677685.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --ignition-staging --stack-size=100
+// Flags: --ignition --stack-size=100
 
 function Module(stdlib) {
   "use asm";

test/mjsunit/regress/regress-crbug-638551.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --expose-gc --ignition-staging --no-lazy
+// Flags: --allow-natives-syntax --expose-gc --ignition --no-lazy
 
 function f() {
   for (var i = 0; i < 10; i++) if (i == 5) %OptimizeOsr();

test/mjsunit/regress/regress-crbug-644111.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --ignition-staging --turbo --validate-asm --always-opt
+// Flags: --ignition --turbo --validate-asm --always-opt
 
 function Module() {
   "use asm";

test/mjsunit/regress/regress-crbug-645103.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --ignition-staging --turbo
+// Flags: --allow-natives-syntax --ignition --turbo
 
 class Base {}
 class Subclass extends Base {

test/mjsunit/regress/regress-crbug-645888.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --ignition-staging
+// Flags: --allow-natives-syntax --ignition
 
 function f() {
   for (var i = 0; i < 3; ++i) {

test/mjsunit/regress/regress-crbug-647217.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --stack-size=100 --ignition-staging --turbo
+// Flags: --allow-natives-syntax --stack-size=100 --ignition --turbo
 
 var source = "return 1" + new Array(2048).join(' + a') + "";
 eval("function g(a) {" + source + "}");

test/mjsunit/regress/regress-crbug-651403.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --ignition-staging --turbo --always-opt
+// Flags: --ignition --turbo --always-opt
 
 function f () {
   var x = "";

test/mjsunit/shared-function-tier-up-turbo.js

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 //
 // Flags: --mark-shared-functions-for-tier-up --allow-natives-syntax
-// Flags: --ignition-staging --turbo --crankshaft --no-always-opt
+// Flags: --ignition --turbo --crankshaft --no-always-opt
 // Flags: --turbo-filter=*
 
 // If we are always or never optimizing it is useless.

tools/foozzie/testdata/failure_output.txt

 #
 # V8 correctness failure
-# V8 correctness configs: x64,ignition:x64,ignition_staging
+# V8 correctness configs: x64,ignition:x64,ignition_turbo
 # V8 correctness sources: f60
 # V8 correctness suppression: 
 #
 # CHECK
 #
-# Compared x64,ignition with x64,ignition_staging
+# Compared x64,ignition with x64,ignition_turbo
 #
 # Flags of x64,ignition:
 --abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition --turbo-filter=~ --hydrogen-filter=~ --nocrankshaft
-# Flags of x64,ignition_staging:
---abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition-staging
+# Flags of x64,ignition_turbo:
+--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition --turbo
 #
 # Difference:
 - unknown
@@ -34,7 +34,7 @@ unknown
 
 ### End of configuration x64,ignition
 #
-### Start of configuration x64,ignition_staging:
+### Start of configuration x64,ignition_turbo:
 
 1
 v8-foozzie source: name/to/a/file.js
@@ -46,5 +46,5 @@ v8-foozzie source: name/to/file.js
 not unknown
 
 
-### End of configuration x64,ignition_staging
+### End of configuration x64,ignition_turbo
 

tools/foozzie/v8_foozzie.py

@@ -39,20 +39,17 @@ CONFIGS = dict(
     '--no-lazy',
     '--no-lazy-inner-functions',
   ],
-  ignition_staging=[
-    '--ignition-staging',
-  ],
   ignition_turbo=[
-    '--ignition-staging',
+    '--ignition',
     '--turbo',
   ],
   ignition_turbo_opt=[
-    '--ignition-staging',
+    '--ignition',
     '--turbo',
     '--always-opt',
   ],
   ignition_turbo_opt_eager=[
-    '--ignition-staging',
+    '--ignition',
     '--turbo',
     '--always-opt',
     '--no-lazy',

tools/foozzie/v8_foozzie_test.py

@@ -96,7 +96,7 @@ def run_foozzie(first_d8, second_d8):
     '--first-d8', os.path.join(TEST_DATA, first_d8),
     '--second-d8', os.path.join(TEST_DATA, second_d8),
     '--first-config', 'ignition',
-    '--second-config', 'ignition_staging',
+    '--second-config', 'ignition_turbo',
     os.path.join(TEST_DATA, 'fuzz-123.js'),
   ])
 

tools/testrunner/local/variants.py

@@ -12,7 +12,6 @@ ALL_VARIANT_FLAGS = {
   "noturbofan_stress": [["--no-turbo", "--stress-opt", "--always-opt"]],
   "fullcode": [["--nocrankshaft", "--no-turbo"]],
   "nooptimization": [["--nocrankshaft", "--turbo-filter=~"]],
-  "ignition_turbofan": [["--ignition-staging", "--turbo"]],
   "asm_wasm": [["--validate-asm"]],
   "wasm_traps": [["--wasm_guard_pages", "--wasm_trap_handler", "--invoke-weak-callbacks"]],
 }
@@ -26,12 +25,10 @@ FAST_VARIANT_FLAGS = {
   "noturbofan_stress": [["--no-turbo", "--stress-opt"]],
   "fullcode": [["--nocrankshaft", "--no-turbo"]],
   "nooptimization": [["--nocrankshaft", "--turbo-filter=~"]],
-  "ignition_turbofan": [["--ignition-staging", "--turbo"]],
   "asm_wasm": [["--validate-asm"]],
   "wasm_traps": [["--wasm_guard_pages", "--wasm_trap_handler", "--invoke-weak-callbacks"]],
 }
 
 ALL_VARIANTS = set(["default", "stress", "turbofan", "turbofan_opt",
-                    "noturbofan", "noturbofan_stress",
-                    "fullcode", "nooptimization",
-                    "ignition_turbofan", "asm_wasm", "wasm_traps"])
+                    "noturbofan", "noturbofan_stress", "fullcode",
+                    "nooptimization", "asm_wasm", "wasm_traps"])