================
@@ -41,9 +43,10 @@ Base::~Base() {}
// CHECK: @_ZTSW3Mod4Base = constant
// CHECK: @_ZTIW3Mod4Base = constant
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr constant
-// CHECK-INLINE: @_ZTSW3Mod4Base = linkonce_odr {{.*}}constant
-// CHECK-INLINE: @_ZTIW3Mod4Base = linkonce_odr {{.*}}constant
+// With the new Itanium C++ ABI, the linkage of vtables in modules don't need
to be linkonce ODR.
----------------
dwblaikie wrote:
right, sorry, was misreading the linkages - I guess `weak` might be applicable?
> “weak” linkage has the same merging semantics as linkonce linkage, except
> that unreferenced globals with weak linkage may not be discarded.
But maybe just normal external linkage is the right thing & we let the linker
GC things if the user asks it to. Fair enough.
https://github.com/llvm/llvm-project/pull/75912
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