[Bug gas/16908] #line directives are ignored inside macros

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16908

--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Jan Beulich <jbeulich@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=22a8433e00fd33efcb1fa4961eb826cd97f2cd8b

commit 22a8433e00fd33efcb1fa4961eb826cd97f2cd8b
Author: Jan Beulich <jbeulich@suse.com>
Date:   Fri Dec 16 09:01:14 2022 +0100

    gas: restore Dwarf info generation after macro diagnostic adjustments

    While 6fdb723799e2 ("gas: re-work line number tracking for macros and
    their expansions") was meant to leave generated Dwarf as is, it really
    didn't (and the testcase intended to catch that wasn't covering the case
    which broke). Its adjustment to buffer_and_nest() didn't go far enough,
    leading to the "linefile" directive inserted at the top to also be
    processed later in the PR gas/16908 workaround (which clearly isn't
    intended - it's being put there for processing during macro expansion
    only). That unnoticed flaw in turn led me to work around it by a
    (suspicious to me already at the time) conditional in as_where().

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