Comment 39 for bug 1890435

I spoke too soon after ~7.5 runs I got the following with -marm:

cc -iquote /root/qemu-5.0/b/user-static/target/arm -iquote target/arm -iquote /root/qemu-5.0/tcg/arm -isystem /root/qemu-5.0/linux-headers -isystem /root/qemu-5.0/b/user-static/linux-headers -iquote . -iquote /root/qemu-5.0 -iquote /root/qemu-5.0/accel/tcg -iquote /root/qemu-5.0/include -iquote /root/qemu-5.0/disas/libvixl -pthread -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -std=gnu99 -g -O2 -fdebug-prefix-map=/root/qemu-5.0=. -fstack-protector-strong -Wformat -Werror=format-security -marm -Wdate-time -D_FORTIFY_SOURCE=2 -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -DLEGACY_RDMA_REG_MR -I/usr/include/libpng16 -I/root/qemu-5.0/capstone/include -isystem ../linux-headers -iquote .. -iquote /root/qemu-5.0/target/arm -DNEED_CPU_H -iquote /root/qemu-5.0/include -I/root/qemu-5.0/linux-user/aarch64 -I/root/qemu-5.0/linux-user/host/arm -I/root/qemu-5.0/linux-user -Ilinux-user/aarch64 -MMD -MP -MT target/arm/helper.o -MF target/arm/helper.d -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g -c -o target/arm/helper.o /root/qemu-5.0/target/arm/helper.c
during RTL pass: reload
/root/qemu-5.0/linux-user/syscall.c: In function ‘do_syscall’:
/root/qemu-5.0/linux-user/syscall.c:12519:1: internal compiler error: Segmentation fault
12519 | }
      | ^
cc -iquote /root/qemu-5.0/b/user-static/target/arm -iquote target/arm -iquote /root/qemu-5.0/tcg/arm -isystem /root/qemu-5.0/linux-headers -isystem /root/qemu-5.0/b/user-static/linux-headers -iquote . -iquote /root/qemu-5.0 -iquote /root/qemu-5.0/accel/tcg -iquote /root/qemu-5.0/include -iquote /root/qemu-5.0/disas/libvixl -pthread -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -std=gnu99 -g -O2 -fdebug-prefix-map=/root/qemu-5.0=. -fstack-protector-strong -Wformat -Werror=format-security -marm -Wdate-time -D_FORTIFY_SOURCE=2 -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -DLEGACY_RDMA_REG_MR -I/usr/include/libpng16 -I/root/qemu-5.0/capstone/include -isystem ../linux-headers -iquote .. -iquote /root/qemu-5.0/target/arm -DNEED_CPU_H -iquote /root/qemu-5.0/include -I/root/qemu-5.0/linux-user/aarch64 -I/root/qemu-5.0/linux-user/host/arm -I/root/qemu-5.0/linux-user -Ilinux-user/aarch64 -MMD -MP -MT target/arm/translate-sve.o -MF target/arm/translate-sve.d -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g -c -o target/arm/translate-sve.o /root/qemu-5.0/target/arm/translate-sve.c
0x532d6b crash_signal
 ../../src/gcc/toplev.c:328
0x41d0c7 add_regs_to_insn_regno_info
 ../../src/gcc/lra.c:1515
0x41d1c9 add_regs_to_insn_regno_info
 ../../src/gcc/lra.c:1537
0x41d1c9 add_regs_to_insn_regno_info
 ../../src/gcc/lra.c:1537
0x41e28f lra_update_insn_regno_info(rtx_insn*)
 ../../src/gcc/lra.c:1630
0x42c1af lra_constraints(bool)
 ../../src/gcc/lra-constraints.c:4970
0x41f483 lra(_IO_FILE*)
 ../../src/gcc/lra.c:2443
0x3f0915 do_reload
 ../../src/gcc/ira.c:5527
0x3f0915 execute
 ../../src/gcc/ira.c:5713