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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.

llvm-svn: 238418
This commit is contained in:
Benjamin Kramer 2015-05-28 12:55:43 +00:00
parent 0cdb09cf96
commit c6e6778781
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.
//