[Bug gold/17128] New: internal error in lock, at ../../binutils/gold/fileread.cc:295

[rafael.espindola at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17128

            Bug ID: 17128
           Summary: internal error in lock, at
                    ../../binutils/gold/fileread.cc:295
           Product: binutils
           Version: 2.25 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at google dot com
          Reporter: rafael.espindola at gmail dot com
                CC: ian at airs dot com

Created attachment 7691
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7691&action=edit
testcase

Having a plugin call get_input_file on two handles that come from the same
archive causes gold to try to lock the file twice and asserts.

This might be related to bug 15660 since the file being lock might prevent it
from being closed and cause us to run out of file descriptors.

The attached testcase includes a dummy plugin that just records the handles
passed to it in claim_file_hook and calls get_input_file with them in
all_symbols_read_hook.

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