[clang] [lld] [llvm] [WebAssembly] Cooperative threading for WASIP3 (PR #200855)

[Sy Brand via llvm-commits]

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@@ -1057,7 +1057,15 @@ static StringRef getOutputDataSegmentName(const InputChunk &seg) {
 OutputSegment *Writer::createOutputSegment(StringRef name) {
   LLVM_DEBUG(dbgs() << "new segment: " << name << "\n");
   OutputSegment *s = make<OutputSegment>(name);
-  if (ctx.arg.sharedMemory)
+  // In the shared memory case, all data segments must be passive since they
+  // will be initialized once by the main thread and then shared with other
+  // threads. In the non-shared memory case, we use passive segments only for
+  // TLS segments, so that they can be reused, and for .bss segments, which
+  // don't need to be included in the binary at all.
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TartanLlama wrote:

I've updated the comment

https://github.com/llvm/llvm-project/pull/200855