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Diffstat (limited to 'src/xdisp.c')
-rw-r--r--src/xdisp.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/xdisp.c b/src/xdisp.c
index e78d3d6f5b6..d2f0d49d2b1 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -27342,18 +27342,21 @@ x_produce_glyphs (struct it *it)
int leftmost, rightmost, lowest, highest;
int lbearing, rbearing;
int i, width, ascent, descent;
- int c IF_LINT (= 0); /* cmp->glyph_len can't be zero; see Bug#8512 */
+ int c;
XChar2b char2b;
struct font_metrics *pcm;
ptrdiff_t pos;
- for (glyph_len = cmp->glyph_len; glyph_len > 0; glyph_len--)
- if ((c = COMPOSITION_GLYPH (cmp, glyph_len - 1)) != '\t')
- break;
+ eassume (0 < glyph_len); /* See Bug#8512. */
+ do
+ c = COMPOSITION_GLYPH (cmp, --glyph_len);
+ while (c == '\t' && 0 < glyph_len);
+
bool right_padded = glyph_len < cmp->glyph_len;
for (i = 0; i < glyph_len; i++)
{
- if ((c = COMPOSITION_GLYPH (cmp, i)) != '\t')
+ c = COMPOSITION_GLYPH (cmp, i);
+ if (c != '\t')
break;
cmp->offsets[i * 2] = cmp->offsets[i * 2 + 1] = 0;
}