Update for llvm api change.

llvm-svn: 216397
diff --git a/clang/lib/Driver/Compilation.cpp b/clang/lib/Driver/Compilation.cpp
index 49b7edd..0697285 100644
--- a/clang/lib/Driver/Compilation.cpp
+++ b/clang/lib/Driver/Compilation.cpp
@@ -131,13 +131,13 @@
     // Follow gcc implementation of CC_PRINT_OPTIONS; we could also cache the
     // output stream.
     if (getDriver().CCPrintOptions && getDriver().CCPrintOptionsFilename) {
-      std::string Error;
-      OS = new llvm::raw_fd_ostream(getDriver().CCPrintOptionsFilename, Error,
+      std::error_code EC;
+      OS = new llvm::raw_fd_ostream(getDriver().CCPrintOptionsFilename, EC,
                                     llvm::sys::fs::F_Append |
                                         llvm::sys::fs::F_Text);
-      if (!Error.empty()) {
+      if (EC) {
         getDriver().Diag(clang::diag::err_drv_cc_print_options_failure)
-          << Error;
+            << EC.message();
         FailingCommand = &C;
         delete OS;
         return 1;
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 482f9cf..acacb3e 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -533,12 +533,12 @@
         llvm::sys::path::append(VFS, "vfs", "vfs.yaml");
       }
 
-      std::string Err;
+      std::error_code EC;
       Script += ".sh";
-      llvm::raw_fd_ostream ScriptOS(Script.c_str(), Err, llvm::sys::fs::F_Excl);
-      if (!Err.empty()) {
+      llvm::raw_fd_ostream ScriptOS(Script, EC, llvm::sys::fs::F_Excl);
+      if (EC) {
         Diag(clang::diag::note_drv_command_failed_diag_msg)
-          << "Error generating run script: " + Script + " " + Err;
+            << "Error generating run script: " + Script + " " + EC.message();
       } else {
         // Replace the original filename with the preprocessed one.
         size_t I, E;