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[LTO] Fix a use-after-free introduced in r278907 and caught by ASan.

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The ASan build bot caught this right away:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/15580/steps/check-llvm%20asan/logs/stdio

This was also breaking a Windows build bot I'm pretty sure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278912 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2016-08-17 07:48:34 +00:00
parent de2442ac75
commit ba80e96675
1 changed files with 3 additions and 3 deletions
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6
tools/llvm-lto2/llvm-lto2.cpp
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@ -77,10 +77,10 @@ template <typename T> static T check(ErrorOr<T> E, std::string Msg) {
namespace {
// Define the LTOOutput handling
class LTOOutput : public lto::NativeObjectOutput {
StringRef Path;
std::string Path;
public:
LTOOutput(StringRef Path) : Path(Path) {}
LTOOutput(std::string Path) : Path(std::move(Path)) {}
std::unique_ptr<raw_pwrite_stream> getStream() override {
std::error_code EC;
auto S = llvm::make_unique<raw_fd_ostream>(Path, EC, sys::fs::F_None);
@ -174,7 +174,7 @@ int main(int argc, char **argv) {
auto AddOutput = [&](size_t Task) {
std::string Path = OutputFilename + "." + utostr(Task);
return llvm::make_unique<LTOOutput>(Path);
return llvm::make_unique<LTOOutput>(std::move(Path));
};
check(Lto.run(AddOutput), "LTO::run failed");