[llvm] [WebAssembly] Support multiple `.init_array` fragments when writing Wasm objects (PR #111008)

[Sam Clegg via llvm-commits]

================
@@ -1769,6 +1769,11 @@ uint64_t WasmObjectWriter::writeOneObject(MCAssembler &Asm,
       WS.setIndex(InvalidIndex);
       continue;
     }
+    // Contents of .init_array sections are handled elsewhere.
+    if (WS.isDefined() &&
+        WS.getSection().getName().starts_with(".init_array")) {
----------------
sbc100 wrote:

How is it possible to define a symbol within this section?  Can you give and example?  It seems like it should be just a sequence of pointers, but I guess somehow you can have symbol that points into that sequence?  

https://github.com/llvm/llvm-project/pull/111008