[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..ea8a4bd9ca0575bdf040adfeecd3f69f9a579e26 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 InitStackCheck(wasm::WasmCodePosition position);

[titzer, 2016/08/17 11:17:23]

Why not simply StackCheck? 

[ahaas, 2016/08/17 16:12:57]

Done.

+
   //-----------------------------------------------------------------------
   // Operations that read and/or write {control} and {effect}.
   //-----------------------------------------------------------------------