Commit 8be32cf4 authored by Chris Feng's avatar Chris Feng

Fix an assertion

* src/dispnew.c (clear_glyph_matrix_rows): Test matrix->nrows == 0 (which
implies start == 0) separately.
parent 040e0d6b
......@@ -683,7 +683,9 @@ void
clear_glyph_matrix_rows (struct glyph_matrix *matrix, int start, int end)
{
eassert (start <= end);
eassert (start >= 0 && start <= matrix->nrows);
eassert (start >= 0 && (start < matrix->nrows
/* matrix->nrows can be 0 for the initial frame. */
|| (matrix->nrows == 0)));
eassert (end >= 0 && end <= matrix->nrows);
for (; start < end; ++start)
......
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