https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92952
Bug ID: 92952
Summary: [10 regression] gfortran.dg/lto/pr87689 FAILs at -O2
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: msebor at gcc dot gnu.org
Target Milestone: ---
Between 20191213 (r279370) and 20191215 (r279402), gfortran.dg/lto/pr87689
started to FAIL:
+FAIL: gfortran.dg/lto/pr87689 f_lto_pr87689_0.o-f_lto_pr87689_1.o link, -O2
-flto
+FAIL: gfortran.dg/lto/pr87689 f_lto_pr87689_0.o-f_lto_pr87689_1.o link, -O2
-flto -flto-partition=1to1
+FAIL: gfortran.dg/lto/pr87689 f_lto_pr87689_0.o-f_lto_pr87689_1.o link, -O2
-flto -flto-partition=none
I'm seeing it on 32 and 64-bit Solaris/SPARC and x86, but according to
gcc-testresults
it happens everywhere. The link succeeds actually, but there's a warning:
In function ‘MAIN__’,
inlined from ‘main’ at
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gfortran.dg/lto/pr87689_0.f:13:0:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gfortran.dg/lto/pr87689_0.f:10:
warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gfortran.dg/lto/pr87689_0.f: In
function ‘main’:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gfortran.dg/lto/pr87689_0.f:7:22:
note: at offset 1 to object ‘c’ with size 1 declared here
during the link step. It seems plausible that this is due to
2019-12-13 Martin Sebor <mse...@redhat.com>
PR middle-end/91582
PR middle-end/92868
