Bug 1721686 - wasm: Allow requiring shared memory for an intrinsics module. r=yury

Differential Revision: https://phabricator.services.mozilla.com/D120661

js/src/builtin/TestingFunctions.cpp

@@ -1957,7 +1957,7 @@ static bool WasmIntrinsicI8VecMul(JSContext* cx, unsigned argc, Value* vp) {
 
   wasm::IntrinsicOp ops[] = {wasm::IntrinsicOp::I8VecMul};
   RootedWasmModuleObject module(cx);
-  if (!wasm::CompileIntrinsicModule(cx, ops, &module)) {
+  if (!wasm::CompileIntrinsicModule(cx, ops, wasm::Shareable::False, &module)) {
     ReportOutOfMemory(cx);
     return false;
   }

js/src/wasm/WasmIntrinsic.cpp

@@ -105,7 +105,7 @@ bool wasm::CompileIntrinsicModule(JSContext* cx,
                                        DefinitionKind::Memory))) {
     return false;
   }
-  moduleEnv.memory = Some(MemoryDesc(Limits(0)));
+  moduleEnv.memory = Some(MemoryDesc(Limits(0, Nothing(), sharedMemory)));
 
   // Add (type (func (params ...))) for each intrinsic. The function types will
   // be deduplicated by the runtime

js/src/wasm/WasmIntrinsic.h

@@ -22,6 +22,7 @@
 #include "mozilla/Span.h"
 
 #include "wasm/WasmBuiltins.h"
+#include "wasm/WasmCompileArgs.h"
 #include "wasm/WasmConstants.h"
 #include "wasm/WasmTypeDecls.h"
 #include "wasm/WasmTypeDef.h"
@@ -50,6 +51,7 @@ struct Intrinsic {
 
 // Compile and return the intrinsic module for a given set of intrinsic ops.
 bool CompileIntrinsicModule(JSContext* cx, const mozilla::Span<IntrinsicOp> ops,
+                            Shareable sharedMemory,
                             MutableHandleWasmModuleObject result);
 
 }  // namespace wasm