[Bug ld/20636] New: [arm] ld crash when linking glibc unwind code

[nszabolcs at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20636

            Bug ID: 20636
           Summary: [arm] ld crash when linking glibc unwind code
           Product: binutils
           Version: 2.28 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: nszabolcs at gmail dot com
  Target Milestone: ---

Created attachment 9522
  --> https://sourceware.org/bugzilla/attachment.cgi?id=9522&action=edit
archive of 3 object files from glibc

if i cross compile glibc trunk (version
bb8081f57f23a3e1b28b1b7104f24d17da9a3d82) from x86_64 to arm then linking
libc_pic.a into libc_pic.os crashes ld since binutils commit
5025eb7c0d87b01507116353b5d63b163d7add3d .

i attached a reduced archive file that only contains 3 object files from glibc
that trigger the crash with

$ arm-none-linux-gnueabihf-ld -r -o bug.o --whole-archive libx.a
Segmentation fault (core dumped)

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