With this build the crash does still not leave a .crash file, but it is
more verbose
cc -iquote /root/qemu-5.0/b/user-static/linux-user -iquote linux-user -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 -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 linux-user/syscall.o -MF linux-user/syscall.d
-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g -c -o linux-user/syscall.o
/root/qemu-5.0/linux-user/syscall.c
during RTL pass: reload
/root/qemu-5.0/linux-user/syscall.c: In function ‘do_syscall1.constprop’:
/root/qemu-5.0/linux-user/syscall.c:12479:1: internal compiler error:
Segmentation fault
12479 | }
| ^
0x532d6b crash_signal
../../src/gcc/toplev.c:328
0x523a5b avoid_constant_pool_reference(rtx_def*)
../../src/gcc/simplify-rtx.c:237
0x4f6f9d commutative_operand_precedence(rtx_def*)
../../src/gcc/rtlanal.c:3482
0x4f705b swap_commutative_operands_p(rtx_def*, rtx_def*)
../../src/gcc/rtlanal.c:3543
0x51deb3 simplify_binary_operation(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../src/gcc/simplify-rtx.c:2333
0x51df01 simplify_gen_binary(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../src/gcc/simplify-rtx.c:189
0x42c191 lra_constraints(bool)
../../src/gcc/lra-constraints.c:4966
0x41f483 lra(_IO_FILE*)
../../src/gcc/lra.c:2443
0x3f0915 do_reload
../../src/gcc/ira.c:5527
0x3f0915 execute
../../src/gcc/ira.c:5713
Does this help you in any way?
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https://bugs.launchpad.net/bugs/1890435
Title:
gcc-10 breaks on armhf (flaky): internal compiler error: Segmentation
fault
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