[PATCH] Fix PR17239 by changing the semantics of the RemainingArgsClass Option kind (clang side)

[Reid Kleckner]

This is tied to D4899, so I'll land it too. Thanks!

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Comment at: tools/driver/driver.cpp:406-409
@@ -391,1 +405,6 @@
+    // Remove markers, if we added them
+    if (MarkEOLs) {
+      auto newEnd = std::remove(argv.begin(), argv.end(), nullptr);
+      argv.resize(newEnd - argv.begin());
+    }
     return ExecuteCC1Tool(argv, argv[1] + 4);
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This seems impossible. If we invoked a cc1 tool, we shouldn't have added EOL markers, right?

http://reviews.llvm.org/D4900