[dsymutil] Fix use-after-free when sys::path::append grows the buffer.

<rdar://problem/50117620>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359001 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl 2019-04-23 15:39:13 +00:00
parent aab3c8c7b3
commit 17fed035fb

View File

@ -328,7 +328,7 @@ static Expected<OutputLocation> getOutputFileName(llvm::StringRef InputFile) {
return std::move(E);
llvm::sys::path::append(Path, "Contents", "Resources");
StringRef ResourceDir = Path;
std::string ResourceDir = Path;
llvm::sys::path::append(Path, "DWARF", llvm::sys::path::filename(DwarfFile));
return OutputLocation(Path.str(), ResourceDir.str());
}