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[Bug ld/17112] [regression] binutils trunk ld/LTO 11 test fails when bui
From: |
amodra at gmail dot com |
Subject: |
[Bug ld/17112] [regression] binutils trunk ld/LTO 11 test fails when built using GCC 4.9 |
Date: |
Fri, 04 Jul 2014 13:16:00 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=17112
Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
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CC| |amodra at gmail dot com
--- Comment #2 from Alan Modra <amodra at gmail dot com> ---
I was looking at this last week. It's basically a testsuite issue. The test
puts all the objects into tmpdir/liblto-11.a, expecting that the startup file
reference to main will pull them out of the archive as it would normally.
However, the objects are not built with -ffat-lto-objects so there are no
normal symbols, except things like __gnu_lto_slim. These useless symbols are
the ones put into the archive index, and of course nothing references them so
no objects are extracted by the linker.
I think what needs to happen is the archive be built with ar --plugin.
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