Reviewers: Hannes Payer,
Description:
Add a check that we make progress during incremental marking
BUG=381820
[email protected]
LOG=n
Please review this at https://codereview.chromium.org/382463002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+4, -1 lines):
M src/incremental-marking.cc
Index: src/incremental-marking.cc
diff --git a/src/incremental-marking.cc b/src/incremental-marking.cc
index
f9575c3ba433393d67990a5edd45d08610c7dfeb..7dd687cce1a52ac96d010974e41d039f79af2e0d
100644
--- a/src/incremental-marking.cc
+++ b/src/incremental-marking.cc
@@ -699,7 +699,10 @@ void IncrementalMarking::ProcessMarkingDeque(intptr_t
bytes_to_process) {
int size = obj->SizeFromMap(map);
unscanned_bytes_of_large_object_ = 0;
VisitObject(map, obj, size);
- bytes_to_process -= (size - unscanned_bytes_of_large_object_);
+ int delta = (size - unscanned_bytes_of_large_object_);
+ // FIXME: remove after http://crbug.com/381820 is resolved.
+ CHECK(0 < delta && delta <= bytes_to_process);
+ bytes_to_process -= delta;
}
}
--
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