[Bug c++/92598] explicit specialization of template from unnamed namespace using unqualified-id in enclosing namespace

[jan.kratochvil at redhat dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92598

Jan Kratochvil <jan.kratochvil at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jan.kratochvil at redhat dot 
com

--- Comment #1 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
Created attachment 50209
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50209&action=edit
1j.cpp.xz

gcc-10.2.1-9.fc33.x86_64
g++ -c 1j.cpp 
/home/jkratoch/redhat/llvm-monorepo/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp:86:8:
error: explicit specialization of ‘template<class T> struct llvm::DenseMapInfo’
outside its namespace must use a nested-name-specifier [-fpermissive]
   86 | struct DenseMapInfo<std::pair<const MCSymbol *,
MCSymbolRefExpr::VariantKind>> {
      |       
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~