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Make WriteConstants() more robust against stray values in ValueEnumerator's ValueList

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez 2010-01-12 23:37:59 +00:00
parent 86af655521
commit 994a204570
1 changed files with 5 additions and 0 deletions
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5
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -688,6 +688,11 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
Record.clear();
continue;
}
// Ignore all values in ValueList except for Constants.
if (V && (isa<Instruction>(V) || isa<Argument>(V)))
continue;
const Constant *C = cast<Constant>(V);
unsigned Code = -1U;
unsigned AbbrevToUse = 0;