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[Bartosz Sawicki <sawickib@xxxxxxxxxxxxx>]

Hi,

I have few months break in working with Fenics. Today I've just 
downloaded the current version from hg repository, ad realized that my 
previously working code fails.

It seems that the problem is in FFC, which produce no-warning-free C++ 
code, especially evalute_dof() method.

The error is very easy to repeat. Just try to compile any form with 
Nedelec elements. For example:

# File first.form
eN = FiniteElement("Nedelec", "tetrahedron", 0)
eL = VectorElement("Lagrange","tetrahedron", 1)
v = TestFunction(eN)
u = TrialFunction(eN)
source = Function(eL)
a= dot(rot(v), rot(u))*dx
L = dot(v,source)*dx

$ ffc -l dolfin first.form

$ `pkg-config --variable=compiler dolfin` `pkg-config --cflags dolfin` 
-c main.cpp

first.h: In member function ‘virtual double 
UFC_firstBilinearForm_finite_element_1::evaluate_dof(unsigned int, const 
ufc::function&, const ufc::cell&) const’:
first.h:1394: warning: unused variable ‘Jinv_00’
first.h:1395: warning: unused variable ‘Jinv_01’
first.h:1396: warning: unused variable ‘Jinv_02’
first.h:1397: warning: unused variable ‘Jinv_10’
first.h:1398: warning: unused variable ‘Jinv_11’
first.h:1399: warning: unused variable ‘Jinv_12’
first.h:1400: warning: unused variable ‘Jinv_20’
first.h:1401: warning: unused variable ‘Jinv_21’
first.h:1402: warning: unused variable ‘Jinv_22’
(...)

If I comment out these lines, and everything seems to work properly, so 
it seems that this is just a tiny bug :)

Regards,
BArtosz