https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88057
Bug ID: 88057
Summary: libdecnumber/decCommon.c:479: use of out of scope
variable
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
trunk/libdecnumber/decCommon.c:479] -> [trunk/libdecnumber/decCommon.c:471] ->
[trunk/libdecnumber/decCommon.c:483]: (error) Using pointer to local variable
'buffer' that is out of scope.
svn blame says
128350 janis uByte buffer[ROUNDUP(DECPMAX+3, 4)]; /* [+3 allows
uInt padding] */
128350 janis uByte *s=umsd; /* source */
128350 janis uByte *t=buffer; /* safe target */
128350 janis uByte *tlsd=buffer+(ulsd-umsd)+shift; /* target LSD
*/
128350 janis /* printf("folddown shift=%ld\n", (LI)shift); */
145274 bje for (; s<=ulsd; s+=4, t+=4) UBFROMUI(t, UBTOUI(s));
145274 bje for (t=tlsd-shift+1; t<=tlsd; t+=4) UBFROMUI(t, 0);
/* pad 0s */
128350 janis num->exponent-=shift;
128350 janis umsd=buffer;
128350 janis ulsd=tlsd;
128350 janis }
128350 janis } /* fold-down? */
128350 janis length=ulsd-umsd+1; /* recalculate length
*/
