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[Bug testsuite/48245] FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o assemble on *-apple-darwin*

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48245

--- Comment #1 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2011-03-23 10:58:36 UTC ---
> Before revision 171039 the test was unsupported:
>
> UNSUPPORTED: /opt/gcc/p_work/gcc/testsuite/gcc.dg/lto/pr46940_0.c
>
> because the test for 'check_linker_plugin_available' in
> /opt/gcc/p_work/gcc/testsuite/lib/target-supports.exp returned
>
> gcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found
>
> while following revision 171039 the same test compiles and executes without
> error.

Which linker do you use, and what's the value of HAVE_LTO_PLUGIN in
gcc/auto-host.h?  Could you check the gcc/config.log snippet for the
linker plugin support test.

If, as I assume, you're using the Darwin linker, HAVE_LTO_PLUGIN should
be 0 and you should get the following error for the linker_plugin test:

gcc: error: -fuse-linker-plugin is not supported in this configuration

    Rainer
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