[Bug target/97866] New: [11 Regression] bootstrap error in libasan building a s390x-linux-gnu cross compiler

[doko at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97866

            Bug ID: 97866
           Summary: [11 Regression] bootstrap error in libasan building a
                    s390x-linux-gnu cross compiler
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at debian dot org
  Target Milestone: ---

seen with trunk 20201114

while the error message says it's not reproducible, the build stops 10 times
with the same result.

during RTL pass: reload
../../../../src/libsanitizer/asan/asan_fake_stack.cpp: In member function 'void
__asan::FakeStack::For
EachFakeFrame(__sanitizer::RangeIteratorCallback, void*)':
../../../../src/libsanitizer/asan/asan_fake_stack.cpp:171:1: internal compiler
error: Segmentation fault
  171 | }
      | ^
0xbde03f crash_signal
        ../../src/gcc/toplev.c:330
0x7f3f99181cbf ???
        ./signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0xb550ad profile_count::initialized_p() const
        ../../src/gcc/profile-count.h:785
0xb550ad profile_count::to_frequency(function*) const
        ../../src/gcc/profile-count.c:269
0xa7cf6a get_insn_freq
        ../../src/gcc/lra.c:1555
0xa7f707 lra_update_insn_regno_info(rtx_insn*)
        ../../src/gcc/lra.c:1627
0xa7f7cd lra_update_insn_regno_info(rtx_insn*)
        ../../src/gcc/lra.c:1623
0xa7f7cd lra_push_insn_1
        ../../src/gcc/lra.c:1780
0xa806d4 lra_push_insn(rtx_insn*)
        ../../src/gcc/lra.c:1788
0xa806d4 push_insns
        ../../src/gcc/lra.c:1831
0xa806d4 push_insns
        ../../src/gcc/lra.c:1823
0xa806d4 lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*)
        ../../src/gcc/lra.c:1925
0xa90c42 curr_insn_transform
        ../../src/gcc/lra-constraints.c:4635
0xa92655 lra_constraints(bool)
        ../../src/gcc/lra-constraints.c:5129
0xa80e82 lra(_IO_FILE*)
        ../../src/gcc/lra.c:2323
0xa3ff01 do_reload
        ../../src/gcc/ira.c:5800
0xa3ff01 execute
        ../../src/gcc/ira.c:5986
Please submit a full bug report,
with preprocessed source if appropriate.
The bug is not reproducible, so it is likely a hardware or OS problem.
make[6]: *** [Makefile:653: asan_fake_stack.lo] Error 1
make[6]: Leaving directory
'/packages/cross/11/gcc-cross/gcc/build/s390x-linux-gnu/libsanitizer/asan'
make[5]: *** [Makefile:528: all-recursive] Error 1