2011-12-31 Thomas König <tkoenig@gcc.gnu.org>

2011-12-31  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/51502
	* expr.c (gfc_check_vardef_context):  When determining
	implicit pure status, also check for variable definition
	context.  Walk up namespaces until a procedure is
	found to reset the implict pure attribute.
	* resolve.c (gfc_implicit_pure):  Walk up namespaces
	until a procedure is found.

2011-12-31  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/51502
	* lib/gcc-dg.exp (scan-module-absence):  New function.
	* gfortran.dg/implicit_pure_2.f90:  New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182754 138bc75d-0d04-0410-961f-82ee72b054a4