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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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248 Handle<Smi>(Smi::FromInt(i), isolate)); | 248 Handle<Smi>(Smi::FromInt(i), isolate)); |
249 } | 249 } |
250 | 250 |
251 // Force compacting garbage collection. The subsequent collections are used | 251 // Force compacting garbage collection. The subsequent collections are used |
252 // to verify that key references were actually updated. | 252 // to verify that key references were actually updated. |
253 CHECK(FLAG_always_compact); | 253 CHECK(FLAG_always_compact); |
254 heap->CollectAllGarbage(Heap::kNoGCFlags); | 254 heap->CollectAllGarbage(Heap::kNoGCFlags); |
255 heap->CollectAllGarbage(Heap::kNoGCFlags); | 255 heap->CollectAllGarbage(Heap::kNoGCFlags); |
256 heap->CollectAllGarbage(Heap::kNoGCFlags); | 256 heap->CollectAllGarbage(Heap::kNoGCFlags); |
257 } | 257 } |
| 258 |
| 259 |
| 260 TEST(Regress399527) { |
| 261 CcTest::InitializeVM(); |
| 262 v8::HandleScope scope(CcTest::isolate()); |
| 263 Isolate* isolate = CcTest::i_isolate(); |
| 264 Heap* heap = isolate->heap(); |
| 265 { |
| 266 HandleScope scope(isolate); |
| 267 AllocateJSWeakMap(isolate); |
| 268 SimulateIncrementalMarking(heap); |
| 269 } |
| 270 // The weak map is marked black here but leaving the handle scope will make |
| 271 // the object unreachable. Aborting incremental marking will clear all the |
| 272 // marking bits which makes the weak map garbage. |
| 273 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 274 } |
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