Mikhail Glushenkov 9c0a984b65 Allow nesting of case expressions.
The following is now legal:

    (case (in_language "c"),
          (case (switch_on "E"), "gcc -x c -E $INFILE", (default), "gcc -x c $INFILE"),
          (default),
          "gcc $INFILE $OUTFILE")

llvm-svn: 51748
2008-05-30 06:22:15 +00:00
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