This regression was introduced on 2023-05-22 in commit v3.10-9-gda1697dcb6 ("diff: C99 decl style in context.c") during a code style change.
This regression was discovered using the GNU patch testsuite: FAIL: preserve-c-function-names FAIL: reject-format * src/context.c (minus_prefix_lines): Initialize with a reversed value. Tiny-change: yes --- src/context.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/context.c b/src/context.c index 8ee49ae961..34f046384c 100644 --- a/src/context.c +++ b/src/context.c @@ -186,7 +186,7 @@ pr_context_hunk (struct change *hunk) /* Include a context's width before and after. */ - lin minus_prefix_lines = curr.file[0].prefix_lines; + lin minus_prefix_lines = - curr.file[0].prefix_lines; first0 = MAX (first0 - context, minus_prefix_lines); first1 = MAX (first1 - context, minus_prefix_lines); if (last0 < curr.file[0].valid_lines - context) -- glebfm