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Bug 822700 - When DMD is disabled its SizeOf() function shouldn't try to measure non-existent structures. r=jlebar.

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--HG--
extra : rebase_source : 21066e5173dbc7e4a6c7615f1b355989bf046082
This commit is contained in:
Nicholas Nethercote 2012-12-18 15:14:31 -08:00
parent 13dde2f3bd
commit 0c5277a734
2 changed files with 7 additions and 1 deletions
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5
memory/replace/dmd/DMD.cpp
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@ -1973,6 +1973,11 @@ PrintSortedBlockAndFrameGroups(const Writer& aWriter,
MOZ_EXPORT void
SizeOf(Sizes* aSizes)
{
if (!gIsDMDRunning) {
aSizes->Clear();
return;
}
aSizes->mStackTraces = 0;
for (StackTraceTable::Range r = gStackTraceTable->all();
!r.empty();

3
memory/replace/dmd/DMD.h
View File

@ -57,7 +57,8 @@ struct Sizes
size_t mLiveBlockTable;
size_t mDoubleReportTable;
Sizes() { memset(this, 0, sizeof(Sizes)); }
Sizes() { Clear(); }
void Clear() { memset(this, 0, sizeof(Sizes)); }
};
// Gets the size of various data structures. Used to implement a memory