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[Bug gas/23040] .uleb128 directive doesn't accept some valid expressions


From: amodra at gmail dot com
Subject: [Bug gas/23040] .uleb128 directive doesn't accept some valid expressions
Date: Thu, 18 Oct 2018 11:39:18 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=23040

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2018-10-18
           Assignee|unassigned at sourceware dot org   |amodra at gmail dot com
     Ever confirmed|0                           |1

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
Confirmed, and yes, it was the change to use deferred_expression in s_leb128
(commit ba8826a82a2, 2017-07-21 Alexandre Oliva) that introduced the
regression.

Some poking around in gdb shows that the value for dot in "1f-.-1" is wrong,
and changes with relaxation.  I think deferred_expression is probably using the
final value for dot in the file, not the current value.

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