With the recent gcc, we get:
sha1_file.c: In check_packed_git_:
sha1_file.c:527: warning: assuming signed overflow does not
occur when assuming that (X + c) < X is always false
sha1_file.c:527: warning: assuming signed overflow does not
occur when assuming that (X + c) < X is always false
when compiling with
-O2 -Werror -Wall -Wold-style-definition \
-ansi -pedantic -std=c99 -Wdeclaration-after-statement
The offending lines are:
if (idx_size != min_size) {
/* make sure we can deal with large pack offsets */
off_t x = 0x7fffffffUL, y = 0xffffffffUL;
if (x > (x + 1) || y > (y + 1)) {
munmap(idx_map, idx_size);
-
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