[Continuations] Fix cont.new on a funcref from another module

src/wasm-interpreter.h

@@ -4724,10 +4724,8 @@ class ModuleRunnerBase : public ExpressionRunner<SubType> {
     if (funcValue.isNull()) {
       trap("null ref");
     }
-    auto funcName = funcValue.getFunc();
-    auto* func = self()->getModule()->getFunction(funcName);
-    return Literal(std::make_shared<ContData>(
-      self()->makeFuncData(funcName, func->type), curr->type.getHeapType()));
+    return Literal(
+      std::make_shared<ContData>(funcValue, curr->type.getHeapType()));
   }
   Flow visitContBind(ContBind* curr) {
     Literals arguments;

test/lit/exec/cont_external_funcref.wast

@@ -0,0 +1,22 @@
+
+;; RUN: wasm-opt %s -all --fuzz-exec-before --fuzz-exec-second=%s.second -q -o /dev/null 2>&1 | filecheck %s
+
+;; Export a function reference from the first module to the second. The second
+;; can create a continuation without erroring, even though it uses a funcref
+;; from another module.
+
+(module
+ (type $func (func))
+
+ (global $global (ref $func) (ref.func $func))
+
+ (export "global$func" (global $global))
+
+ (func $func
+ )
+)
+
+;; CHECK:      [fuzz-exec] running second module
+;; CHECK-NEXT: [fuzz-exec] calling export
+;; CHECK-NEXT: [fuzz-exec] note result: export => 42
+

test/lit/exec/cont_external_funcref.wast.second

@@ -0,0 +1,15 @@
+(module
+ (type $func (func))
+ (type $cont (cont $func))
+ (import "primary" "global$func" (global $gimport (ref $func)))
+
+ (func $export (export "export") (result i32)
+  (drop
+   (cont.new $cont
+    (global.get $gimport)
+   )
+  )
+  (i32.const 42)
+ )
+)
+