https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102772
Bug ID: 102772
Summary: [12 regression] g++.dg/torture/pr80334.C FAILs
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: hjl at gcc dot gnu.org
Target Milestone: ---
Host: *86*-pc-solaris2.11
Target: *86*-pc-solaris2.11
Build: *86*-pc-solaris2.11
Between 20210802 (38fb24ba4d67254cea78731fc8d961903dad9646) and 20210804
(929f2cf4105ccf12d0684c6d5838f58f0ee5e7c7),
g++.dg/torture/pr80334.C began to FAIL on 32-bit Solaris/x86:
FAIL: g++.dg/torture/pr80334.C -O0 execution test
FAIL: g++.dg/torture/pr80334.C -O1 execution test
FAIL: g++.dg/torture/pr80334.C -O2 execution test
FAIL: g++.dg/torture/pr80334.C -O2 -flto execution test
FAIL: g++.dg/torture/pr80334.C -O2 -flto -flto-partition=none execution test
FAIL: g++.dg/torture/pr80334.C -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions execution test
FAIL: g++.dg/torture/pr80334.C -O3 -g execution test
FAIL: g++.dg/torture/pr80334.C -Os execution test
Thread 2 received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1 (LWP 1)]
0x08050d7b in main () at
/vol/gcc/src/hg/master/local/gcc/testsuite/g++.dg/torture/pr80334.C:15
15 auto a = new A(b[i].unpacked);
(gdb) where
#0 0x08050d7b in main () at
/vol/gcc/src/hg/master/local/gcc/testsuite/g++.dg/torture/pr80334.C:15
=> 0x8050d7b <main()+110>: movaps %xmm7,(%edx)
(gdb) p/x $edx
$1 = 0x8065a98
I'm attaching the gcc 11.1.0 and master assembler output for comparison.
