* gfortran.h (struct gfc_symbol): Add equiv_built.
	* trans-common.c: Change int to HOST_WIDE_INT.  Capitalize error
	messages.
	(current_length): Remove.
	(add_segments): New function.
	(build_equiv_decl): Create initialized common blocks.
	(build_common_decl): Always add decl to bindings.
	(create_common): Create initializers.
	(find_segment_info): Reformat to match coding conventions.
	(new_condition): Use add_segments.
	(add_condition, find_equivalence, add_equivalences): Move iteration
	inside functions.  Only process each segment once.
	(new_segment, finish_equivalences, translate_common): Simplify.
testsuite/
	* gfortran.fortran-torture/execute/common_init_1.f90: New test.
	* gfortran.fortran-torture/execute/equiv_init.f90: New test.

Co-Authored-By: Victor Leikehman <lei@haifasphere.co.il>

From-SVN: r82165