Taylor Blau d76e0a744d commit-graph.c: prevent overflow in merge_commit_graph() ...

When merging two commit graphs, ensure that we don't attempt to merge
two graphs which, when combined, have more total commits than the 32-bit
unsigned maximum.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2023-07-14 09:32:03 -07:00

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