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Re: Fix some _GLIBCXX_DEBUG pretty printer errors

On 08/03/2018 19:11, Jonathan Wakely wrote:

This caused a new regression for:

   std::forward_list<std::string> flst;
   std::forward_list<std::string>::iterator flstiter0;
// { dg-final { note-test flstiter0 {non-dereferenceable iterator for
std::forward_list}} }


$1 = {_M_node = 0x0}
got: $1 = {_M_node = 0x0}
FAIL: libstdc++-prettyprinters/debug_cxx11.cc print flstiter0
Yes, sorry, it looks like I was more concerned by the fixes than by the errors on the new test.
This is coming from an attempt to move the forward_list iterators outside the std namespace. I'll provide a fix tomorrow. 

François
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