Correct handling invalid filename in llvm-symbolizer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/DebugInfo/llvm-symbolizer.test b/test/DebugInfo/llvm-symbolizer.test
index 163bd8e..d094bf9 100644
--- a/test/DebugInfo/llvm-symbolizer.test
+++ b/test/DebugInfo/llvm-symbolizer.test
@@ -23,3 +23,6 @@
 
 CHECK:       _Z3do1v
 CHECK-NEXT: dwarfdump-test3-decl.h:7
+
+RUN: echo "unexisting-file 0x1234" > %t.input2
+RUN: llvm-symbolizer < %t.input2
diff --git a/tools/llvm-symbolizer/LLVMSymbolize.cpp b/tools/llvm-symbolizer/LLVMSymbolize.cpp
index 29d91a0..2596a4e 100644
--- a/tools/llvm-symbolizer/LLVMSymbolize.cpp
+++ b/tools/llvm-symbolizer/LLVMSymbolize.cpp
@@ -200,8 +200,8 @@
 
 static ObjectFile *getObjectFile(const std::string &Path) {
   OwningPtr<MemoryBuffer> Buff;
-  if (error_code ec = MemoryBuffer::getFile(Path, Buff))
-    error(ec);
+  if (error(MemoryBuffer::getFile(Path, Buff)))
+    return 0;
   return ObjectFile::createObjectFile(Buff.take());
 }