https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97356
Bug ID: 97356 Summary: [11 regression] several test case failures after r11-3748 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- g:ffe8baa996486fa0313aa804a064a58b0b161f07, r11-3748 make -k check-gcc RUNTESTFLAGS=tree-ssa.exp=gcc.dg/tree-ssa/modref-2.c FAIL: gcc.dg/tree-ssa/modref-2.c execution test # of expected passes 1 # of unexpected failures 1 (gdb) run Starting program: /home/seurer/gcc/git/build/gcc-test/./modref-2.exe Program received signal SIGABRT, Aborted. 0x00003fffb7cd260c in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55 55 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig); (gdb) where #0 0x00003fffb7cd260c in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55 #1 0x00003fffb7cd47f8 in __GI_abort () at abort.c:90 #2 0x000000001000053c in main () at /home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/tree-ssa/modref-2.c:22 Also FAIL: gcc.dg/lto/modref-1 c_lto_modref-1_0.o-c_lto_modref-1_1.o execute -O2 -flto-partition=max -flto commit ffe8baa996486fa0313aa804a064a58b0b161f07 Author: Jan Hubicka <j...@suse.cz> Date: Fri Oct 9 11:29:58 2020 +0200 IPA modref: fix miscompilation in clone when IPA modref is used gcc/ChangeLog: PR ipa/97292 PR ipa/97335 * ipa-modref-tree.h (copy_from): Drop summary in a clone.