On Fri, 9 Feb 2018, Joseph Myers wrote: > I'm seeing regressions from my glibc bot for all of arm, mips, s390 and > sh. > > https://sourceware.org/ml/libc-testresults/2018-q1/msg00283.html > > arm and mips are "view number mismatch" building glibc and s390 is the > same error but building libgcc, so presumably those are the present issue. > sh is GCC segfaults building glibc, so it's less clearly associated with > this patch (but GCC mainline r257539 is bad and r257480 is good, in any > case).
sh4 is: during RTL pass: final In file included from strtof_l.c:45: strtod_l.c: In function '____strtof_l_internal': strtod_l.c:1769:1: internal compiler error: Segmentation fault } ^ 0xb98e3f crash_signal /scratch/jmyers/glibc-bot/src/gcc/gcc/toplev.c:325 0x856b18 maybe_output_next_view /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:1726 0x856b18 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2714 0xef36bc print_slot /scratch/jmyers/glibc-bot/src/gcc/gcc/config/sh/sh.c:2557 0xef6520 output_far_jump(rtx_insn*, rtx_def*) /scratch/jmyers/glibc-bot/src/gcc/gcc/config/sh/sh.c:2617 0x857098 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:3101 0x856c26 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2806 0x858469 final_1 /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2088 0x8591d8 rest_of_handle_final /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:4637 0x8591d8 execute /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:4711 Since it's in maybe_output_next_view, I think it probably comes from these patches. > (It's possible more failures might appear on other architectures once the > bot builds the glibc testsuite, that's just failures from building GCC and > glibc.) hppa has a similar ICE building glibc tests, also in maybe_output_next_view, so probably also from these patches: during RTL pass: final test-tgmath2.c: In function 'test_fma_3': test-tgmath2.c:421:1: internal compiler error: Segmentation fault } ^ 0xb7525f crash_signal /scratch/jmyers/glibc-bot/src/gcc/gcc/toplev.c:325 0x835f14 maybe_output_next_view /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:1726 0x835f14 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2714 0xed7761 pa_output_call(rtx_insn*, rtx_def*, int) /scratch/jmyers/glibc-bot/src/gcc/gcc/config/pa/pa.c:8019 0x83642b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:3101 0x836026 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2806 0x837629 final_1 /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:2088 0x8389d6 rest_of_handle_final /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:4637 0x8389d6 execute /scratch/jmyers/glibc-bot/src/gcc/gcc/final.c:4711 -- Joseph S. Myers jos...@codesourcery.com