[PATCH] [MSVC] Explicit specializations can be declared in any namespace (fix for http://llvm.org/PR13738)

[Richard Smith]

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  rL LLVM

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Comment at: llvm/tools/clang/lib/Sema/SemaTemplate.cpp:5840
@@ +5839,3 @@
+      int Diag = diag::err_template_spec_redecl_out_of_scope;
+      if (S.getLangOpts().MSVCCompat)
+        Diag = diag::ext_ms_template_spec_redecl_out_of_scope;
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Since this is a non-heinous, conforming extension (and even something that's been suggested for standardization), should it go under `-fms-extensions` not `-fms-compatibility`?

http://reviews.llvm.org/D8283

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