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")


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51748 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed