Calling DirichletBC.set_value() in a function causes segfault

Running the script below with dolfin 1.2.0 causes the error "Segmentation fault (core dumped)" to appear. If however the two lines under "this works" are commented back in the code works.

from dolfin import *

def update_BC(bc_to_update, value): new_value = project(value, bc_to_update.function_space()) bc_to_update.set_value(new_value)

mesh = UnitSquareMesh(2,2) V = FunctionSpace(mesh, "CG",1)

uflexp = triangle.x[0] bc = DirichletBC(V , uflexp, "on_boundary")

#Doing this causes a crash update_BC(bc, uflexp)

#Doing this works #new_value = project(uflexp, bc.function_space()) #bc.set_value(new_value)

print bc.get_boundary_values().values()

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