gcov-io.c (gcov_position): Use gcov_nonruntime_assert.

gcov-io.c (gcov_position): Use gcov_nonruntime_assert.

2014-05-22  Teresa Johnson  <tejohnson@google.com>

	* gcov-io.c (gcov_position): Use gcov_nonruntime_assert.
	(gcov_is_error): Remove gcc_assert from IN_LIBGCOV code.
	(gcov_rewrite): Use gcov_nonruntime_assert.
	(gcov_open): Ditto.
	(gcov_write_words): Ditto.
	(gcov_write_length): Ditto.
	(gcov_read_words): Use gcov_nonruntime_assert, and remove
	gcc_assert from IN_LIBGCOV code.
	(gcov_read_summary): Use gcov_error to flag profile corruption.
	(gcov_sync): Use gcov_nonruntime_assert.
	(gcov_seek): Remove gcc_assert from IN_LIBGCOV code.
	(gcov_histo_index): Use gcov_nonruntime_assert.
	(static void gcov_histogram_merge): Ditto.
	(compute_working_sets): Ditto.
	* gcov-io.h (gcov_nonruntime_assert): Define.
	(gcov_error): Define for !IN_LIBGCOV

	* libgcov-driver.c (gcov_error): Move declaration before gcov-io.c
	include.

From-SVN: r210805