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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ada/52362] gnat.dg/lto8.adb FAILs with gas/gld
Date: Wed, 14 Mar 2012 21:06:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52362

--- Comment #3 from vries at gcc dot gnu.org 2012-03-14 21:02:51 UTC ---
(In reply to comment #2)
> What's different with --disable-bootstrap?  Missing linker plugin support?

I did a reference build, bootstrap and nobootstrap, and the test passed for
bootstrap and failed for nobootstrap:
...
ref-last/FAIL:./gcc/testsuite/gnat/gnat.sum:PASS: gnat.dg/lto8.adb (test for
excess errors)
ref-last/FAIL:./gcc/testsuite/gnat/gnat.sum:PASS: gnat.dg/lto8.adb execution
test
ref-last/FAIL.nobootstrap:./gcc/testsuite/gnat/gnat.sum:FAIL: gnat.dg/lto8.adb
(test for excess errors)
ref-last/FAIL.nobootstrap:./gcc/testsuite/gnat/gnat.sum:UNRESOLVED:
gnat.dg/lto8.adb compilation failed to produce executable
...

After that, I tested an tail-merge (AFAIK unrelated) patch on top of the same
sources, and now the test fails for both:
...
test-pr51879.8.4.patch/with/FAIL:./gcc/testsuite/gnat/gnat.sum:FAIL:
gnat.dg/lto8.adb (test for excess errors)
test-pr51879.8.4.patch/with/FAIL:./gcc/testsuite/gnat/gnat.sum:UNRESOLVED:
gnat.dg/lto8.adb compilation failed to produce executable
test-pr51879.8.4.patch/with/FAIL.nobootstrap:./gcc/testsuite/gnat/gnat.sum:FAIL:
gnat.dg/lto8.adb (test for excess errors)
test-pr51879.8.4.patch/with/FAIL.nobootstrap:./gcc/testsuite/gnat/gnat.sum:UNRESOLVED:
gnat.dg/lto8.adb compilation failed to produce executable
...

So I'm not sure that the failure is linked to --nobootstrap.