https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124036
Bug ID: 124036
Summary: [16 Regression] gcc.dg/torture/pr117567.c fails since
r16-5168
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: diagnostic, testsuite-fail
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: stefansf at gcc dot gnu.org
Target Milestone: ---
Target: s390*-*-*
Starting with r16-5168 test gcc.dg/torture/pr117567.c fails with excessive
messages during pass strlen:
$ gcc -O3 -S -march=z13 pr117567.c
pr117567.c: In function 'main':
pr117567.c:14:12: warning: writing 1 byte into a region of size 0
[-Wstringop-overflow=]
14 | a[e] = d[e - 2] ?: h;
| ~~~~~^~~~~~~~~~~~~~~
pr117567.c:5:20: note: at offset -63 into destination object 'a' of size [0,
9223372036854775807]
5 | extern signed char a[];
| ^
