Support stack overflow checks in standalone mode (#2525)

In normal mode we call a JS import, but we can't import from JS
in standalone mode. Instead, just trap in that case with an
unreachable. (The error reporting is not as good in this case, but
at least it catches all errors and halts, and the emitted wasm is
valid for standalone mode.)

Helps emscripten-core/emscripten#10019

1 files changed, 2 insertions, 0 deletions

diff --git a/src/tools/wasm-emscripten-finalize.cpp b/src/tools/wasm-emscripten-finalize.cpp
index f569b54cb..b45b61b8f 100644
--- a/src/tools/wasm-emscripten-finalize.cpp
+++ b/src/tools/wasm-emscripten-finalize.cpp
@@ -207,6 +207,8 @@ int main(int argc, const char* argv[]) {
   }
 
   EmscriptenGlueGenerator generator(wasm);
+  generator.setStandalone(standaloneWasm);
+
   generator.fixInvokeFunctionNames();
 
   std::vector<Name> initializerFunctions;