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Make access to LinkingContext::getNode safe. 

llvm-svn: 226883
This commit is contained in:
Rui Ueyama 2015-01-23 00:09:05 +00:00
parent ac425e9165
commit 92fb392786
1 changed files with 5 additions and 2 deletions
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7
lld/lib/Driver/Driver.cpp
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@ -77,8 +77,11 @@ bool Driver::link(LinkingContext &context, raw_ostream &diagnostics) {
if (context.getNodes().empty())
return false;
for (std::unique_ptr<Node> &ie : context.getNodes())
if (FileNode *node = dyn_cast<FileNode>(ie.get()))
// File::parse may add items to the node list which may invalidate
// existing iterators. Avoid using iterator to access elements.
std::vector<std::unique_ptr<Node>> &nodes = context.getNodes();
for (size_t i = 0; i < nodes.size(); ++i)
if (FileNode *node = dyn_cast<FileNode>(nodes[i].get()))
context.getTaskGroup().spawn([node] { node->getFile()->parse(); });
std::vector<std::unique_ptr<File>> internalFiles;