[gn] Use one source of truth for test source files.

test/unittests/unittests.gyp

Index: test/unittests/unittests.gyp
diff --git a/test/unittests/unittests.gyp b/test/unittests/unittests.gyp
index a0ebc08c3451229c3bd15ebdcb76f05833225ac7..eff62a782c493efeaabc985a6a65d7d146f506c6 100644
--- a/test/unittests/unittests.gyp
+++ b/test/unittests/unittests.gyp
@@ -2,11 +2,146 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-# Please keep this file in sync with BUILD.gn.
+# The sources are kept automatically in sync with BUILD.gn.
 
 {
   'variables': {
     'v8_code': 1,
+    'unittests_sources': [  ### gcmole(all) ###
+      'base/atomic-utils-unittest.cc',
+      'base/bits-unittest.cc',
+      'base/cpu-unittest.cc',
+      'base/division-by-constant-unittest.cc',
+      'base/flags-unittest.cc',
+      'base/functional-unittest.cc',
+      'base/ieee754-unittest.cc',
+      'base/logging-unittest.cc',
+      'base/iterator-unittest.cc',
+      'base/platform/condition-variable-unittest.cc',
+      'base/platform/mutex-unittest.cc',
+      'base/platform/platform-unittest.cc',
+      'base/platform/semaphore-unittest.cc',
+      'base/platform/time-unittest.cc',
+      'base/sys-info-unittest.cc',
+      'base/utils/random-number-generator-unittest.cc',
+      'cancelable-tasks-unittest.cc',
+      'char-predicates-unittest.cc',
+      'compiler/branch-elimination-unittest.cc',
+      'compiler/checkpoint-elimination-unittest.cc',
+      'compiler/common-operator-reducer-unittest.cc',
+      'compiler/common-operator-unittest.cc',
+      'compiler/compiler-test-utils.h',
+      'compiler/control-equivalence-unittest.cc',
+      'compiler/control-flow-optimizer-unittest.cc',
+      'compiler/dead-code-elimination-unittest.cc',
+      'compiler/diamond-unittest.cc',
+      'compiler/effect-control-linearizer-unittest.cc',
+      'compiler/escape-analysis-unittest.cc',
+      'compiler/graph-reducer-unittest.cc',
+      'compiler/graph-reducer-unittest.h',
+      'compiler/graph-trimmer-unittest.cc',
+      'compiler/graph-unittest.cc',
+      'compiler/graph-unittest.h',
+      'compiler/instruction-selector-unittest.cc',
+      'compiler/instruction-selector-unittest.h',
+      'compiler/instruction-sequence-unittest.cc',
+      'compiler/instruction-sequence-unittest.h',
+      'compiler/int64-lowering-unittest.cc',
+      'compiler/js-builtin-reducer-unittest.cc',
+      'compiler/js-create-lowering-unittest.cc',
+      'compiler/js-intrinsic-lowering-unittest.cc',
+      'compiler/js-operator-unittest.cc',
+      'compiler/js-typed-lowering-unittest.cc',
+      'compiler/linkage-tail-call-unittest.cc',
+      'compiler/liveness-analyzer-unittest.cc',
+      'compiler/live-range-unittest.cc',
+      'compiler/load-elimination-unittest.cc',
+      'compiler/loop-peeling-unittest.cc',
+      'compiler/machine-operator-reducer-unittest.cc',
+      'compiler/machine-operator-unittest.cc',
+      'compiler/move-optimizer-unittest.cc',
+      'compiler/node-cache-unittest.cc',
+      'compiler/node-matchers-unittest.cc',
+      'compiler/node-properties-unittest.cc',
+      'compiler/node-test-utils.cc',
+      'compiler/node-test-utils.h',
+      'compiler/node-unittest.cc',
+      'compiler/opcodes-unittest.cc',
+      'compiler/register-allocator-unittest.cc',
+      'compiler/schedule-unittest.cc',
+      'compiler/scheduler-unittest.cc',
+      'compiler/scheduler-rpo-unittest.cc',
+      'compiler/simplified-operator-reducer-unittest.cc',
+      'compiler/simplified-operator-unittest.cc',
+      'compiler/state-values-utils-unittest.cc',
+      'compiler/tail-call-optimization-unittest.cc',
+      'compiler/typer-unittest.cc',
+      'compiler/value-numbering-reducer-unittest.cc',
+      'compiler/zone-pool-unittest.cc',
+      'counters-unittest.cc',
+      'interpreter/bytecodes-unittest.cc',
+      'interpreter/bytecode-array-builder-unittest.cc',
+      'interpreter/bytecode-array-iterator-unittest.cc',
+      'interpreter/bytecode-array-writer-unittest.cc',
+      'interpreter/bytecode-dead-code-optimizer-unittest.cc',
+      'interpreter/bytecode-peephole-optimizer-unittest.cc',
+      'interpreter/bytecode-pipeline-unittest.cc',
+      'interpreter/bytecode-register-allocator-unittest.cc',
+      'interpreter/bytecode-register-optimizer-unittest.cc',
+      'interpreter/constant-array-builder-unittest.cc',
+      'interpreter/interpreter-assembler-unittest.cc',
+      'interpreter/interpreter-assembler-unittest.h',
+      'libplatform/default-platform-unittest.cc',
+      'libplatform/task-queue-unittest.cc',
+      'libplatform/worker-thread-unittest.cc',
+      'heap/bitmap-unittest.cc',
+      'heap/gc-idle-time-handler-unittest.cc',
+      'heap/gc-tracer-unittest.cc',
+      'heap/memory-reducer-unittest.cc',
+      'heap/heap-unittest.cc',
+      'heap/scavenge-job-unittest.cc',
+      'heap/slot-set-unittest.cc',
+      'locked-queue-unittest.cc',
+      'register-configuration-unittest.cc',
+      'run-all-unittests.cc',
+      'source-position-table-unittest.cc',
+      'test-utils.h',
+      'test-utils.cc',
+      'wasm/asm-types-unittest.cc',
+      'wasm/ast-decoder-unittest.cc',
+      'wasm/control-transfer-unittest.cc',
+      'wasm/decoder-unittest.cc',
+      'wasm/encoder-unittest.cc',
+      'wasm/leb-helper-unittest.cc',
+      'wasm/loop-assignment-analysis-unittest.cc',
+      'wasm/module-decoder-unittest.cc',
+      'wasm/switch-logic-unittest.cc',
+      'wasm/wasm-macro-gen-unittest.cc',
+    ],
+    'unittests_sources_arm': [  ### gcmole(arch:arm) ###
+      'compiler/arm/instruction-selector-arm-unittest.cc',
+    ],
+    'unittests_sources_arm64': [  ### gcmole(arch:arm64) ###
+      'compiler/arm64/instruction-selector-arm64-unittest.cc',
+    ],
+    'unittests_sources_ia32': [  ### gcmole(arch:ia32) ###
+      'compiler/ia32/instruction-selector-ia32-unittest.cc',
+    ],
+    'unittests_sources_mips': [  ### gcmole(arch:mips) ###
+      'compiler/mips/instruction-selector-mips-unittest.cc',
+    ],
+    'unittests_sources_mips64': [  ### gcmole(arch:mips64) ###
+      'compiler/mips64/instruction-selector-mips64-unittest.cc',
+    ],
+    'unittests_sources_x64': [  ### gcmole(arch:x64) ###
+      'compiler/x64/instruction-selector-x64-unittest.cc',
+    ],
+    'unittests_sources_ppc': [  ### gcmole(arch:ppc) ###
+      'compiler/ppc/instruction-selector-ppc-unittest.cc',
+    ],
+    'unittests_sources_s390': [  ### gcmole(arch:s390) ###
+      'compiler/s390/instruction-selector-s390-unittest.cc',
+    ],
   },
   'includes': ['../../gypfiles/toolchain.gypi', '../../gypfiles/features.gypi'],
   'targets': [
@@ -24,166 +159,58 @@
       'include_dirs': [
         '../..',
       ],
-      'sources': [  ### gcmole(all) ###
-        'base/atomic-utils-unittest.cc',
-        'base/bits-unittest.cc',
-        'base/cpu-unittest.cc',
-        'base/division-by-constant-unittest.cc',
-        'base/flags-unittest.cc',
-        'base/functional-unittest.cc',
-        'base/ieee754-unittest.cc',
-        'base/logging-unittest.cc',
-        'base/iterator-unittest.cc',
-        'base/platform/condition-variable-unittest.cc',
-        'base/platform/mutex-unittest.cc',
-        'base/platform/platform-unittest.cc',
-        'base/platform/semaphore-unittest.cc',
-        'base/platform/time-unittest.cc',
-        'base/sys-info-unittest.cc',
-        'base/utils/random-number-generator-unittest.cc',
-        'cancelable-tasks-unittest.cc',
-        'char-predicates-unittest.cc',
-        'compiler/branch-elimination-unittest.cc',
-        'compiler/checkpoint-elimination-unittest.cc',
-        'compiler/common-operator-reducer-unittest.cc',
-        'compiler/common-operator-unittest.cc',
-        'compiler/compiler-test-utils.h',
-        'compiler/control-equivalence-unittest.cc',
-        'compiler/control-flow-optimizer-unittest.cc',
-        'compiler/dead-code-elimination-unittest.cc',
-        'compiler/diamond-unittest.cc',
-        'compiler/effect-control-linearizer-unittest.cc',
-        'compiler/escape-analysis-unittest.cc',
-        'compiler/graph-reducer-unittest.cc',
-        'compiler/graph-reducer-unittest.h',
-        'compiler/graph-trimmer-unittest.cc',
-        'compiler/graph-unittest.cc',
-        'compiler/graph-unittest.h',
-        'compiler/instruction-selector-unittest.cc',
-        'compiler/instruction-selector-unittest.h',
-        'compiler/instruction-sequence-unittest.cc',
-        'compiler/instruction-sequence-unittest.h',
-        'compiler/int64-lowering-unittest.cc',
-        'compiler/js-builtin-reducer-unittest.cc',
-        'compiler/js-create-lowering-unittest.cc',
-        'compiler/js-intrinsic-lowering-unittest.cc',
-        'compiler/js-operator-unittest.cc',
-        'compiler/js-typed-lowering-unittest.cc',
-        'compiler/linkage-tail-call-unittest.cc',
-        'compiler/liveness-analyzer-unittest.cc',
-        'compiler/live-range-unittest.cc',
-        'compiler/load-elimination-unittest.cc',
-        'compiler/loop-peeling-unittest.cc',
-        'compiler/machine-operator-reducer-unittest.cc',
-        'compiler/machine-operator-unittest.cc',
-        'compiler/move-optimizer-unittest.cc',
-        'compiler/node-cache-unittest.cc',
-        'compiler/node-matchers-unittest.cc',
-        'compiler/node-properties-unittest.cc',
-        'compiler/node-test-utils.cc',
-        'compiler/node-test-utils.h',
-        'compiler/node-unittest.cc',
-        'compiler/opcodes-unittest.cc',
-        'compiler/register-allocator-unittest.cc',
-        'compiler/schedule-unittest.cc',
-        'compiler/scheduler-unittest.cc',
-        'compiler/scheduler-rpo-unittest.cc',
-        'compiler/simplified-operator-reducer-unittest.cc',
-        'compiler/simplified-operator-unittest.cc',
-        'compiler/state-values-utils-unittest.cc',
-        'compiler/tail-call-optimization-unittest.cc',
-        'compiler/typer-unittest.cc',
-        'compiler/value-numbering-reducer-unittest.cc',
-        'compiler/zone-pool-unittest.cc',
-        'counters-unittest.cc',
-        'interpreter/bytecodes-unittest.cc',
-        'interpreter/bytecode-array-builder-unittest.cc',
-        'interpreter/bytecode-array-iterator-unittest.cc',
-        'interpreter/bytecode-array-writer-unittest.cc',
-        'interpreter/bytecode-dead-code-optimizer-unittest.cc',
-        'interpreter/bytecode-peephole-optimizer-unittest.cc',
-        'interpreter/bytecode-pipeline-unittest.cc',
-        'interpreter/bytecode-register-allocator-unittest.cc',
-        'interpreter/bytecode-register-optimizer-unittest.cc',
-        'interpreter/constant-array-builder-unittest.cc',
-        'interpreter/interpreter-assembler-unittest.cc',
-        'interpreter/interpreter-assembler-unittest.h',
-        'libplatform/default-platform-unittest.cc',
-        'libplatform/task-queue-unittest.cc',
-        'libplatform/worker-thread-unittest.cc',
-        'heap/bitmap-unittest.cc',
-        'heap/gc-idle-time-handler-unittest.cc',
-        'heap/gc-tracer-unittest.cc',
-        'heap/memory-reducer-unittest.cc',
-        'heap/heap-unittest.cc',
-        'heap/scavenge-job-unittest.cc',
-        'heap/slot-set-unittest.cc',
-        'locked-queue-unittest.cc',
-        'register-configuration-unittest.cc',
-        'run-all-unittests.cc',
-        'source-position-table-unittest.cc',
-        'test-utils.h',
-        'test-utils.cc',
-        'wasm/asm-types-unittest.cc',
-        'wasm/ast-decoder-unittest.cc',
-        'wasm/control-transfer-unittest.cc',
-        'wasm/decoder-unittest.cc',
-        'wasm/encoder-unittest.cc',
-        'wasm/leb-helper-unittest.cc',
-        'wasm/loop-assignment-analysis-unittest.cc',
-        'wasm/module-decoder-unittest.cc',
-        'wasm/switch-logic-unittest.cc',
-        'wasm/wasm-macro-gen-unittest.cc',
+      'sources': [
+        '<@(unittests_sources)',
       ],
       'conditions': [
         ['v8_target_arch=="arm"', {
-          'sources': [  ### gcmole(arch:arm) ###
-            'compiler/arm/instruction-selector-arm-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_arm)',
           ],
         }],
         ['v8_target_arch=="arm64"', {
-          'sources': [  ### gcmole(arch:arm64) ###
-            'compiler/arm64/instruction-selector-arm64-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_arm64)',
           ],
         }],
         ['v8_target_arch=="ia32"', {
-          'sources': [  ### gcmole(arch:ia32) ###
-            'compiler/ia32/instruction-selector-ia32-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_ia32)',
           ],
         }],
         ['v8_target_arch=="mips"', {
-          'sources': [  ### gcmole(arch:mips) ###
-            'compiler/mips/instruction-selector-mips-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_mips)',
           ],
         }],
         ['v8_target_arch=="mipsel"', {
-          'sources': [  ### gcmole(arch:mipsel) ###
-            'compiler/mips/instruction-selector-mips-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_mips)',
           ],
         }],
         ['v8_target_arch=="mips64"', {
-          'sources': [  ### gcmole(arch:mips64) ###
-            'compiler/mips64/instruction-selector-mips64-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_mips64)',
           ],
         }],
         ['v8_target_arch=="mips64el"', {
-          'sources': [  ### gcmole(arch:mips64el) ###
-            'compiler/mips64/instruction-selector-mips64-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_mips64)',
           ],
         }],
         ['v8_target_arch=="x64"', {
-          'sources': [  ### gcmole(arch:x64) ###
-            'compiler/x64/instruction-selector-x64-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_x64)',
           ],
         }],
         ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
-          'sources': [  ### gcmole(arch:ppc) ###
-            'compiler/ppc/instruction-selector-ppc-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_ppc)',
           ],
         }],
         ['v8_target_arch=="s390" or v8_target_arch=="s390x"', {
-          'sources': [  ### gcmole(arch:s390) ###
-            'compiler/s390/instruction-selector-s390-unittest.cc',
+          'sources': [
+            '<@(unittests_sources_s390)',
           ],
         }],
         ['OS=="aix"', {