Print the tool name when an error comes from so that I can tell which
tool of a pipeline is having issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3167 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 5649796..5113105 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -123,7 +123,7 @@
     if (Verbose) cerr << "Linking in '" << InputFilenames[i] << "'\n";
 
     if (LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
-      cerr << "Error linking in '" << InputFilenames[i] << "': "
+      cerr << argv[0] << ": error linking in '" << InputFilenames[i] << "': "
 	   << ErrorMessage << "\n";
       return 1;
     }
@@ -165,7 +165,8 @@
   // Add the pass that writes bytecode to the output file...
   std::ofstream Out((OutputFilename+".bc").c_str());
   if (!Out.good()) {
-    cerr << "Error opening '" << OutputFilename << ".bc' for writing!\n";
+    cerr << argv[0] << ": error opening '" << OutputFilename
+         << ".bc' for writing!\n";
     return 1;
   }
   Passes.add(new WriteBytecodePass(&Out));        // Write bytecode to file...
@@ -180,7 +181,8 @@
   // Output the script to start the program...
   std::ofstream Out2(OutputFilename.c_str());
   if (!Out2.good()) {
-    cerr << "Error opening '" << OutputFilename << "' for writing!\n";
+    cerr << argv[0] << ": error opening '" << OutputFilename
+         << "' for writing!\n";
     return 1;
   }
   Out2 << "#!/bin/sh\nlli -q $0.bc $*\n";