[PATCH] Fix wchar_t breakage on Solaris

[Eric Botcazou]

Hi Paolo,

> The below is a complete, consistent solution, the best I could come up
> with.

Thanks for taking care of doing this!

> So far, all my tests are fine on x86-linux, help for Solaris would be
> much appreciated Eric!

Here are the results for mainline on SPARC:

Solaris 10:
                === libstdc++ tests ===


Running target unix
XPASS: 27_io/basic_istream/extractors_arithmetic/char/12.cc execution test
XPASS: 27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc execution test

                === libstdc++ Summary for unix ===

# of expected passes            3529
# of unexpected successes       2
# of expected failures          12
# of unsupported tests          321


Solaris 9:
                === libstdc++ tests ===


Running target unix

                === libstdc++ Summary ===

# of expected passes            3529
# of expected failures          14
# of unsupported tests          321


Solaris 8:
                === libstdc++ tests ===


Running target unix

                === libstdc++ Summary ===

# of expected passes            3529
# of expected failures          14
# of unsupported tests          321


Solaris 7:
                === libstdc++ tests ===


Running target unix

                === libstdc++ Summary ===

# of expected passes            3529
# of expected failures          14
# of unsupported tests          321


Solaris 2.6:
                === libstdc++ tests ===


Running target unix
FAIL: 22_locale/ctype/is/char/1.cc execution test
FAIL: 27_io/basic_filebuf/sgetn/char/1-in.cc execution test
FAIL: 27_io/basic_filebuf/sgetn/char/1-io.cc execution test
FAIL: 27_io/basic_filebuf/sgetn/char/2-in.cc execution test
FAIL: 27_io/basic_filebuf/sgetn/char/2-io.cc execution test
FAIL: 27_io/basic_istream/readsome/char/6746-2.cc execution test

                === libstdc++ Summary ===

# of expected passes            2754
# of unexpected failures        6
# of expected failures          11
# of unsupported tests          151


The Solaris 2.6 results are nominal so the patch seems to work fine.

-- 
Eric Botcazou