Do not call into JS from WasmDebugInfo::GetFunctionScript

src/wasm/wasm-debug.cc

Index: src/wasm/wasm-debug.cc
diff --git a/src/wasm/wasm-debug.cc b/src/wasm/wasm-debug.cc
index f1b01593cf437415f2d4143af5e03734149a2851..d9ca0eb2b21e274c06575beec8bd67ca0d40220f 100644
--- a/src/wasm/wasm-debug.cc
+++ b/src/wasm/wasm-debug.cc
@@ -162,7 +162,10 @@ Script *WasmDebugInfo::GetFunctionScript(Handle<WasmDebugInfo> debug_info,
   line_ends->set_map(isolate->heap()->fixed_cow_array_map());
   script->set_line_ends(*line_ends);
 
-  isolate->debug()->OnAfterCompile(script);
+  // TODO(clemensh): Register with the debugger. Note that we cannot call into
+  // JS at this point since this function is called from within stack trace
+  // collection (which means we cannot call Debug::OnAfterCompile in its
+  // current form).

[titzer, 2016/09/02 13:46:26]

Can you keep the original line of code, but commented out or if(false)'d?

 
   return *script;
 }