Sam Clegg 1532be98f9 [lld][WebAssembly] Add symbols marking start/end of stack region
Currently emscripten is make assumptions about that memory layout,
assuming the stack is between `__data_end` and `__heap_base`:

af961ad5c4/system/lib/compiler-rt/stack_limits.S (L42-L61)

With this change we can be more precise:

https://github.com/emscripten-core/emscripten/pull/18057

Differential Revision: https://reviews.llvm.org/D135910
2022-10-13 14:52:17 -07:00
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