I'm using gcc 4.5 to build my Systemz code and am getting statement 10 flagged
as possibly out of bounds. The code is in
$SRC/cmd/abi/appcert/static_prof/static_prof.c around line 127:
01 bktno = (bktno + 1) % DEFBKTS;
02 for (i = bktno; i < DEFBKTS; i = (i + 1) % DEFBKTS) {
03 if (i == orig_bktno) {
04 table_full = TRUE;
05 exit(1);
06 }
07 if (!bkts[i].sym)
08 break;
09 }
10 if ((!bkts[i].sym) && (table_full != 1)) {
In statement 10 it is possible for i to be == 24997 and thus out of bounds as
the loop may have exited because the bound was reached not only because the
break at line 08 was encountered. Should line 10 read:
if ((i < DEFBKTS) && (!bkts[i].sym) && (table_full != 1)) {
The warning certainly disappears when I do this. (Warning is flagged under gcc
4.4.2 too.)
Neale
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