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[AsmPrinter] Destroy allocated DIEAbbrevs on teardown. 

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 e749b20171
commit 5188a2af72
1 changed files with 4 additions and 1 deletions
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5
llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
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@ -20,7 +20,10 @@ namespace llvm {
DwarfFile::DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA) DwarfFile::DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA)
: Asm(AP), StrPool(DA, *Asm, Pref) {} : Asm(AP), StrPool(DA, *Asm, Pref) {}
DwarfFile::~DwarfFile() {} DwarfFile::~DwarfFile() {
for (DIEAbbrev *Abbrev : Abbreviations)
Abbrev->~DIEAbbrev();
}
// Define a unique number for the abbreviation. // Define a unique number for the abbreviation.
// //