https://sourceware.org/bugzilla/show_bug.cgi?id=28149
Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |amodra at gmail dot com
--- Comment #4 from Alan Modra <amodra at gmail dot com> ---
I can reproduce the comment #3 behaviour only when using -Wa,-gdwarf or similar
gas options when using gcc-10. gcc-11 and gcc-12 pass -gdwarf-5 to gas. That
seems to be the source of these problems, which is that -gdwarf* passed to gas
means not only to select the DWARF level but also have gas generate its own
DWARF line info.
So why is gcc passing -gdwarf-5 to gas? That seems quite silly! Can't gas
figure the dwarf level out itself? Note that current gas decides on dwarf5 if
seeing a .file or .loc specifying file 0.
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