make the datastructure used in BytecodeWriter::outputValueSymbolTable *slightly* less abusive of memory.  This speeds up the bcwriter from 1.83s to 1.32s (39% faster) on 447.dealII.
make the datastructure used in BytecodeWriter::outputValueSymbolTable
*slightly* less abusive of memory.  This speeds up the bcwriter from
1.83s to 1.32s (39% faster) on 447.dealII.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@34140 91177308-0d34-0410-b5e6-96231b3b80d8

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