89d5635f0a
This flag causes wasm-ld preserve a section even in the face of `--strip-all`. This is useful, for example, to preserve the target_features section in the ase of clang (which can run wasm-opt after linking), and emcc (which performs a bunch of post-link work). Fixes: https://github.com/llvm/llvm-project/issues/60613 Fixes: https://github.com/llvm/llvm-project/issues/55781 Differential Revision: https://reviews.llvm.org/D149917