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[pdb] Avoid reporting an error when the module symbol stream is empty

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274309 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner 2016-07-01 00:37:49 +00:00
parent 5ec7ee3af8
commit 1199c8cbc8
1 changed files with 3 additions and 0 deletions
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3
lib/DebugInfo/PDB/Raw/ModStream.cpp
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@ -67,6 +67,9 @@ Error ModStream::reload() {
iterator_range<codeview::CVSymbolArray::Iterator>
ModStream::symbols(bool *HadError) const {
// It's OK if the stream is empty.
if (SymbolsSubstream.getUnderlyingStream().getLength() == 0)
return llvm::make_range(SymbolsSubstream.end(), SymbolsSubstream.end());
return llvm::make_range(SymbolsSubstream.begin(HadError),
SymbolsSubstream.end());
}