Re: C++ PATCH for c++/44282 (ia32 calling convention attributes and mangling)

[Uros Bizjak <ubizjak at gmail dot com>]

On Tue, Jun 2, 2015 at 9:26 AM, Uros Bizjak <ubizjak@gmail.com> wrote:
> Hello!
>
>>    PR c++/44282
>>    gcc/cp/
>>    * mangle.c (attr_strcmp): New.
>>    (write_CV_qualifiers_for_type): Also write out attributes that
>>    affect type identity.
>>    (write_type): Strip all attributes after writing qualifiers.
>>    libiberty/
>>    * cp-demangle.c (cplus_demangle_type): Handle arguments to vendor
>>    extended qualifier.
>
> +++ b/gcc/testsuite/g++.dg/abi/mangle-regparm.C
> @@ -0,0 +1,29 @@
> +// { dg-do run { target i?86-*-* } }
>
> This should read:
>
> +// { dg-do run { target { { i?86-*-* x86_64-*-* } && ia32 } } }
>
> The test wasn't actually run on x86_64-linux target. I'll commit the
> following patch after regtest:

Unfortunately, something is wrong with the testcase itself:

FAIL: g++.dg/abi/mangle-regparm.C  -std=c++98 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C  -std=c++98 compilation failed to
produce executable
FAIL: g++.dg/abi/mangle-regparm.C  -std=c++11 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C  -std=c++11 compilation failed to
produce executable
FAIL: g++.dg/abi/mangle-regparm.C  -std=c++14 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C  -std=c++14 compilation failed to
produce executable

with the following error:

FAIL: g++.dg/abi/mangle-regparm.C  -std=c++98 (test for excess errors)
Excess errors:
/usr/bin/ld: /tmp/ccU8LttY.o: bad reloc symbol index (0x5b550 >= 0x12)
for offset 0x6c in section `.text'
/tmp/ccU8LttY.o: could not read symbols: Bad value

WARNING: g++.dg/abi/mangle-regparm.C  -std=c++98 compilation failed to
produce executable
g++.dg/abi/mangle-regparm.C  -std=c++98 : output file does not exist
UNRESOLVED: g++.dg/abi/mangle-regparm.C  -std=c++98  scan-assembler
_Z18IndirectExternCallIPU7stdcallU7regparmILi3EEFviiEiEvT_T0_S3_

Uros.