Jason Merrill <ja...@redhat.com> writes:
> Now that -fabi-version defaults to 0, -Wabi isn't very useful. But for
> people interested in compatibility with earlier versions, this patch allows
> you to say -Wabi=2 to get any relevant warnings. This patch also adjusts
> the compatibility aliases to default to backward compatibility with
> -fabi-version=2.
This patch
2014-06-12 Jason Merrill <ja...@redhat.com>
* toplev.c (process_options): Reject -fabi-version=1.
which was committed as part of the above, but not posted AFAICS,
introduced a testsuite failure on i386-pc-solaris2.1? and
x86_64-unknown-linux-gnu with -m32:
FAIL: g++.dg/abi/layout4.C -std=gnu++98 (test for excess errors)
WARNING: g++.dg/abi/layout4.C -std=gnu++98 compilation failed to produce
executable
FAIL: g++.dg/abi/layout4.C -std=gnu++11 (test for excess errors)
WARNING: g++.dg/abi/layout4.C -std=gnu++11 compilation failed to produce
executable
FAIL: g++.dg/abi/layout4.C -std=gnu++1y (test for excess errors)
WARNING: g++.dg/abi/layout4.C -std=gnu++1y compilation failed to produce
executable
Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/abi/layout4.C:1:0: error:
'-fabi-version=1' is no longer supported
Rainer
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
