re PR fortran/50690 (ICE with front end optimization and OMP workshare)

re PR fortran/50690 (ICE with front end optimization and OMP workshare)

2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/50690
	* frontend-passes.c (in_omp_workshare):  New variable.
	(cfe_expr_0):  Don't eliminiate common function if it would put
	the variable immediately into a WORKSHARE construct.
	(optimize_namespace):  Set in_omp_workshare.
	(gfc_code_walker):  Keep track of OMP PARALLEL and OMP WORKSHARE
	constructs.

2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/50690
	* gfortran.dg/gomp/workshare2.f90:  New test.
	* gfortran.dg/gomp/workshare3.f90:  New test.

From-SVN: r182208