Segfault in code generated by Verilator

Verilator 5f5a3db creates C code that segfaults for a=128.

module issue_043(a, y);
  input signed [7:0] a;
  output [15:0] y;
  assign y = {3{{~22'd0}}} <<< {4{a}};
endmodule

Self-contained test case: test014.v, test014.cc, test014.sh

History:
2014-05-12 Reported as Issue #765
2014-05-15 Fixed in GIT commit d7e4bc1