Tester started failing Wattributes1.C on various targets after this change:


> commit de3f1d9aabb765f78d127696ff9dd0a83b268aa2 (HEAD, refs/bisect/bad)
> Author: redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
> Date:   Fri May 10 21:41:11 2019 +0000
> 
>     Improve API docs for <memory> and <new>
>     
>             * include/bits/shared_ptr.h: Improve docs.
>             * include/bits/shared_ptr_base.h: Likewise.
>             * include/bits/stl_uninitialized.h: Likewise.
>             * include/bits/unique_ptr.h: Likewise.
>             * libsupc++/new: Likewise.
>     
>     git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271077 
> 138bc75d-0d04-0410-961f-82ee72b054a4

x86_64 native:

> Running target unix
> FAIL: g++.dg/cpp0x/Wattributes1.C  -std=c++14  (test for warnings, line 125)
> FAIL: g++.dg/cpp0x/Wattributes1.C  -std=c++17  (test for warnings, line 125)
> FAIL: g++.dg/guality/pr55665.C   -O2  line 23 p == 40


Grubbing through the logs shows:


> In file included from 
> /home/law/gcc-testing/gcc/gcc/testsuite/g++.dg/cpp0x/Wattributes1.C:5:^M
> /home/law/gcc-testing/gcc/libstdc++-v3/libsupc++/new:126:26: note: previous 
> declaration of 'void* operator new(std::size_t)'^M

Looking at the test:

> // PR c++/60373
> // { dg-do compile { target c++11 } }
> // { dg-require-visibility "" }
> 
> #include <new>
> __attribute__((visibility("hidden")))void*operator new(std::size_t); // { 
> dg-warning "visibility attribute ignored" }
> 
> // { dg-message "previous declaration" "" { target *-*-* } 125 }
> ~                                                                


It looks like we are expecting an error on line 125 that's now occuring
on 126.  Or am I totally off-base here?  I'll avoid ranting on whether
or not it is wise to test for a line # in a header file outside the test :-)



jeff

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