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[PathV2]: Fix bug in create_directories which caused infinite recursion on

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som inputs.

Bug found and fix proposed by Kal Conley!

llvm-svn: 153225
This commit is contained in:
Michael J. Spencer 2012-03-21 23:09:14 +00:00
parent 3040cab7d6
commit eeeb93f428
1 changed files with 6 additions and 5 deletions
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11
lib/Support/PathV2.cpp
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@ -654,12 +654,13 @@ error_code create_directories(const Twine &path, bool &existed) {
StringRef p = path.toStringRef(path_storage);
StringRef parent = path::parent_path(p);
bool parent_exists;
if (!parent.empty()) {
bool parent_exists;
if (error_code ec = fs::exists(parent, parent_exists)) return ec;
if (error_code ec = fs::exists(parent, parent_exists)) return ec;
if (!parent_exists)
if (error_code ec = create_directories(parent, existed)) return ec;
if (!parent_exists)
if (error_code ec = create_directories(parent, existed)) return ec;
}
return create_directory(p, existed);
}