RTL generated by Vivado HLS results in the following XST synthesis error:
"INTERNAL_ERROR:Xst:cmain.c:3464:1.56 - Process will terminate. For technical support on this issue, please open a WebCase with this project attached at http://www.xilinx.com/support."
To work around this issue, update the ".xst" file with -use_new_parser option.
For GUI such as ISE or PlanAhead tools, update the Synthesis Property or Setting with "-use_new_parser yes" in the other command line options.