[llvm-objdump][MachO] Correctly handle the llvm::Error when -dsym has errors

In an assert build, the Error gets destroyed and we get "Program aborted
due to an unhandled Error:".

In release, we get an empty message.

llvm-svn: 350848

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/tools/llvm-objdump/MachODump.cpp b/llvm/tools/llvm-objdump/MachODump.cpp
index 142ad8f6371..4198ff07ecb 100644
--- a/llvm/tools/llvm-objdump/MachODump.cpp
+++ b/llvm/tools/llvm-objdump/MachODump.cpp
@@ -6977,8 +6977,9 @@ static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
       Expected<std::unique_ptr<MachOObjectFile>> DbgObjCheck =
           ObjectFile::createMachOObjectFile(BufOrErr.get()->getMemBufferRef());
 
-      if (DbgObjCheck.takeError())
-        report_error(MachOOF->getFileName(), DbgObjCheck.takeError());
+      if (Error E = DbgObjCheck.takeError())
+        report_error(MachOOF->getFileName(), std::move(E));
+
       DbgObj = DbgObjCheck.get().release();
       // We need to keep the file alive, because we're replacing DbgObj with it.
       DSYMBuf = std::move(BufOrErr.get());