[ESS-bugs] ESS locks up Emacs?

[Rodney Sparapani]

I am not sure if this is an ESS issue or not.  Can someone try to
replicate this lockup?  This is 100% reproducible here.

I have an R file erase.R open:

require(inline)
require(RcppEigen)

erase <- cxxfunction(signature(arg1="numeric", arg2="integer"),
                      body='// erase the b-th row of a matrix
   MatrixXd A=as< Map<MatrixXd> >(arg1), C=A;

   const int b=as<int>(arg2), n=A.rows();

   C.conservativeResize(n-1, A.cols());

   for(int i=b; i<n; ++i) C.row(i)=A.row(i+1);

   return wrap(C);', includes='using namespace Eigen;\n', 
plugin="RcppEigen")

A <- matrix(1:20, 4, 5)-0.5

erase(A, 2)

and a fresh *R* buffer open.  I do a C-c C-b to run this script.
And, then I copy and paste 'erase(A, 2)' to the *R* buffer prompt.
I click on the last parentheses and I try to edit it to erase(A, 0)' but
it locks up as soon as I try.  And nothing I have tried will restore
control.  This is with 12-09-2 r5400 and Emacs 24.2.1

-- 
Rodney Sparapani, PhD  Center for Patient Care and Outcomes Research
Sr. Biostatistician               http://www.mcw.edu/pcor
4 wheels good, 2 wheels better!   Medical College of Wisconsin (MCW)
WWLD?:  What Would Lombardi Do?   Milwaukee, WI, USA