https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86349
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Blocks| |88443 Known to fail| |7.3.0, 8.2.0, 9.2.0 Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org Status|UNCONFIRMED |RESOLVED Known to work| |10.1.0 Component|tree-optimization |middle-end Target Milestone|--- |10.0 Resolution|--- |FIXED --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- Done in GCC 10: $ gcc -O2 -S -Wall -Wextra pr86349.c pr86349.c: In function ‘f’: pr86349.c:5:3: warning: ‘__builtin_strcpy’ writing one too many bytes into a region of a size that depends on ‘strlen’ [-Wstringop-overflow=] 5 | __builtin_strcpy (p, s); | ^~~~~~~~~~~~~~~~~~~~~~~ pr86349.c:4:13: note: at offset 0 to an object allocated by ‘__builtin_malloc’ here 4 | char *p = __builtin_malloc (n); | ^~~~~~~~~~~~~~~~~~~~ Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 [Bug 88443] [meta-bug] bogus/missing -Wstringop-overflow warnings