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[AsmPrinter] Destroy allocated DIEAbbrevs on teardown.

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DIEAbbrev contains a SmallVector that can leak for overly large abbrevs. They
used to be owned by the DIE, but after the recent refactoring DWARFFile
allocates its own abbrevs.

Leak found by asan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238418 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2015-05-28 12:55:43 +00:00
parent 1af0c40934
commit 331b719b2b
1 changed files with 4 additions and 1 deletions
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5
lib/CodeGen/AsmPrinter/DwarfFile.cpp
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@ -20,7 +20,10 @@ namespace llvm {
DwarfFile::DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA)
: Asm(AP), StrPool(DA, *Asm, Pref) {}
DwarfFile::~DwarfFile() {}
DwarfFile::~DwarfFile() {
for (DIEAbbrev *Abbrev : Abbreviations)
Abbrev->~DIEAbbrev();
}
// Define a unique number for the abbreviation.
//