If the llvm name contains an unprintable character, don't print it in the global comment.  This prevents printing things like:
If the llvm name contains an unprintable character, don't print it in
the global comment.  This prevents printing things like:

...  # foo
bar

when the name is "foo\nbar".



git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@47170 91177308-0d34-0410-b5e6-96231b3b80d8

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