http://llvm.org/bugs/show_bug.cgi?id=21682
Bug ID: 21682
Summary: TrieEdge leak in MachONormalizedFileBinaryWriter.cpp
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
TrieNode uses a SmallVector to store TrieEdge children.
But TrieNode is allocated using an llvm::bumpPtr allocator, and so its
destructor is never invoked when the memory is freed. As a result the
SmallVector destructor is never call either, and as the SmallVector is not
allocator aware, the memory managed by the SmallVector leaks.
A possible solution would be to use an other structure to store the TrieEdge
(chained list) that does not require additional memory allocation.
TrieEdge will contain a pointer to its sibling, and will be allocated using the
llvm bumpPtr allocator.
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