On 2 February 2015 at 16:17, Paolo Carlini <paolo.carl...@oracle.com> wrote: > Hi, > > On 02/02/2015 04:49 PM, Matthew Wahab wrote: >> >> Hello, >> >> With target arm-none-eabi, the libstdc++ tests >> 28_regex/traits/char/isctype.cc and 28_regex/traits/wchar/isctype.cc fail at >> -- >> VERIFY(!t.isctype('\n', t.lookup_classname(range(blank)))); >> -- >> This is because libstdc++ puts '\n' in the 'space' character class, rather >> than 'blank' when building on newlib. This problem was known when suport for >> the blank character class was added to libstdc++ (see >> https://gcc.gnu.org/ml/gcc-patches/2014-10/msg01902.html) so this failure >> is not unexpected. >> >> Changes to newlib that would have allowed the problem to be fixed were >> made (https://sourceware.org/ml/newlib/2009/msg00342.html) but then reverted >> (https://sourceware.org/ml/newlib/2009/msg00438.html). >> >> This patch modifies the test to add a special case for the behaviour with >> newlib. >> >> Tested by running check-target-libstdc++-v3 - >> libstdc++-dg/conformance.exp, with the modified tests, for arm-none-eabi and >> aarch64-none-linux-gnu. No new failures and the modified tests now pass on >> arm-none-eabi. >> >> Ok for trunk?
This is https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64467 so please note that in the ChangeLog. > I guess the patch is Ok for trunk, but please also add in the comment a link > to this message of yours, that is > https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00059.html. > > Thanks, > Paolo. > > PS: please remember to always CC libstdc++-v3 patches to > libstd...@gcc.gnu.org. Yes, not everyone subscribes to gcc-patches so please always send libstdc++ patches to the libstdc++ list, as documented at https://gcc.gnu.org/lists.html and in the libstdc++ manual.