ccc: @<filename> arguments are only treated specially if <filename> exists, otherwise gcc just treats as an input.  - PR3591
ccc: @<filename> arguments are only treated specially if <filename>
exists, otherwise gcc just treats as an input.
 - PR3591


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@64640 91177308-0d34-0410-b5e6-96231b3b80d8

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