Index: llvm/trunk/test/tools/llvm-lto2/errors.ll
===================================================================
--- llvm/trunk/test/tools/llvm-lto2/errors.ll
+++ llvm/trunk/test/tools/llvm-lto2/errors.ll
@@ -10,5 +10,6 @@
 ; ERR4: invalid resolution: foo
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
 
 @foo = global i32 0
Index: llvm/trunk/tools/llvm-lto2/llvm-lto2.cpp
===================================================================
--- llvm/trunk/tools/llvm-lto2/llvm-lto2.cpp
+++ llvm/trunk/tools/llvm-lto2/llvm-lto2.cpp
@@ -157,9 +157,11 @@
         Res.FinalDefinitionInLinkageUnit = true;
       else if (C == 'x')
         Res.VisibleToRegularObj = true;
-      else
+      else {
         llvm::errs() << "invalid character " << C << " in resolution: " << R
                      << '\n';
+        return 1;
+      }
     }
     CommandLineResolutions[{FileName, SymbolName}].push_back(Res);
   }