[Bug c++/69113] [6 Regression] ICE: in vague_linkage_p, at cp/decl2.c:1875 with -fno-weak

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69113

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Looks like this fixes it...

diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index 9a07e1e..a7212ca0 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -1820,7 +1820,8 @@ comdat_linkage (tree decl)
    }
     }

-  DECL_COMDAT (decl) = 1;
+  if (TREE_PUBLIC (decl))
+    DECL_COMDAT (decl) = 1;
 }

 /* For win32 we also want to put explicit instantiations in