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From: "egall at gwmail dot gwu.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/49379] warning from linker: alignment lost for -ftree-vectorize optimization
Date: Wed, 19 Nov 2014 23:40:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49379

Eric Gallager <egall at gwmail dot gwu.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |egall at gwmail dot gwu.edu

--- Comment #8 from Eric Gallager <egall at gwmail dot gwu.edu> ---
(In reply to Dominique d'Humieres from comment #3)
> Confirmed on x86_64-apple-darwin10 
> 
> @(#)PROGRAM:ld  PROJECT:ld64-97.17
> llvm version 2.9svn, from Apple Clang 1.7 (build 77)
> 
> and powerpc-apple-darwin9.8.0
> 
> @(#)PROGRAM:ld  PROJECT:ld64-85.2.1
>

It looks like Apple has removed the warning since then;
searching opensource.apple.com for the warning string in the OP shows that the
most recent time it appeared was around line 246 of
ld64/ld64-127.2/src/ld/SymbolTable.cpp.
Looking around the same place in my copy of the ld64-136 sources, the warning
is now no longer anywhere to be found around there.
Still, I suppose, though, if other linkers still print similar warnings, the
underlying issue must still remain then...