https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41475
Andrey Tarasevich changed:
What|Removed |Added
CC||atarasevich at comcast dot net
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--- Comment #9 from mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-27 09:51 ---
The common linker definitions were made to exactly to make code like this work
and share the array between two object.
So if you think it is undefined, don't support it (make -fno-common
--- Comment #6 from rguenth at gcc dot gnu dot org 2009-09-26 14:37 ---
The bug is about common symbols.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41475
--- Comment #5 from hjl dot tools at gmail dot com 2009-09-26 14:14 ---
(In reply to comment #4)
Isn't this a linker issue in that it doesn't use the biggest alignment?
Linker can't change alignment on non-common symbols. I think it is wrong
to give a different alignment for the
--- Comment #4 from rguenth at gcc dot gnu dot org 2009-09-26 11:23 ---
Isn't this a linker issue in that it doesn't use the biggest alignment?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41475
--- Comment #7 from mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-26 15:27 ---
Richard Guenther: the bug caused by common symbol (in file commonalign1.o) with
the same name as data section symbol (in file commonalign2.o). In this case,
the linker redirects the common
--- Comment #8 from pinskia at gcc dot gnu dot org 2009-09-26 19:29 ---
This code is undefined I think (and really it is not valid C90/C99 code).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41475
--- Comment #1 from mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-26 04:05 ---
Created an attachment (id=18653)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18653action=view)
the first file
The first file of a two-file program. Compile with gcc -c -O3
--- Comment #2 from mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-26 04:06 ---
Created an attachment (id=18654)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18654action=view)
the second file
The second file. Compile with gcc -c -Os. Then, link both object files
