[wasm] Add stack checks at the beginning of each function.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index a764f3025634dc0cbb5c7eb1a1df1b49e1bea874..aaa51f27ec9ef7dcae4cdd8110789bcef0540e9a 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -137,6 +137,8 @@ class WasmGraphBuilder {
   void AppendToMerge(Node* merge, Node* from);
   void AppendToPhi(Node* phi, Node* from);
 
+  void StackCheck(wasm::WasmCodePosition position);
+
   //-----------------------------------------------------------------------
   // Operations that read and/or write {control} and {effect}.
   //-----------------------------------------------------------------------