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