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Fix an unsafe use of Twine. 

llvm-svn: 143962
This commit is contained in:
Benjamin Kramer 2011-11-07 16:02:25 +00:00
parent 76c2e32a8e
commit f5fbe436bc
1 changed files with 4 additions and 5 deletions
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9
clang/lib/Driver/Tools.cpp
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@ -157,15 +157,14 @@ static void addProfileRT(const ToolChain &TC, const ArgList &Args,
// the link line. We cannot do the same thing because unlike gcov there is a
// libprofile_rt.so. We used to use the -l:libprofile_rt.a syntax, but that is
// not supported by old linkers.
Twine ProfileRT =
Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.a";
std::string ProfileRT =
std::string(TC.getDriver().Dir) + "/../lib/libprofile_rt.a";
if (Triple.isOSDarwin()) {
// On Darwin, if the static library doesn't exist try the dylib.
bool Exists;
if (llvm::sys::fs::exists(ProfileRT.str(), Exists) || !Exists)
ProfileRT =
Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.dylib";
if (llvm::sys::fs::exists(ProfileRT, Exists) || !Exists)
ProfileRT.replace(ProfileRT.size() - 1, 1, "dylib");
}
CmdArgs.push_back(Args.MakeArgString(ProfileRT));