https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95533
Bug ID: 95533
Summary: Spurious(?) warning "writing 2 bytes into a region of
size 0" with -O(2|3) -fwhole-program -flto
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: dominiq at lps dot ens.fr
CC: marxin at gcc dot gnu.org
Target Milestone: ---
% gfc /opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90 -O3
-fwhole-program -flto
In function 'g',
inlined from 'MAIN__' at
/opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90:73:0:
/opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90:28: warning:
writing 4 bytes into a region of size 0 [-Wstringop-overflow=]
28 | res = [a, b]
|
% gfc /opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90 -O2
-fwhole-program -flto
In function 'g',
inlined from 'MAIN__' at
/opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90:73:0:
/opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90:28: warning:
writing 2 bytes into a region of size 0 [-Wstringop-overflow=]
28 | res = [a, b]
|
/opt/gcc/work/gcc/testsuite/gfortran.dg/deferred_character_8.f90:28: warning:
writing 4 bytes into a region of size 0 [-Wstringop-overflow=]
28 | res = [a, b]
|
