Bug 1219821 - remove static failure, make it dynamic r=arai a=me

CLOSED TREE

--HG--
extra : commitid : GIuP6D7vFGh

js/src/asmjs/AsmJSValidate.cpp

@@ -8153,7 +8153,9 @@ CheckModule(ExclusiveContext* cx, AsmJSParser& parser, ParseNode* stmtList,
     m.startFunctionBodies();
 
 #if !defined(ENABLE_SHARED_ARRAY_BUFFER)
-    MOZ_ASSERT(!m.module().hasArrayView() || !m.module().isSharedView());
+    if (m.module().hasArrayView() && m.module().isSharedView())
+        return m.failOffset(m.parser().tokenStream.currentToken().pos.begin,
+                            "shared views not supported by this build");
 #endif
 
     ScopedJSDeletePtr<ModuleCompileResults> mcd;

js/src/jit-test/tests/asm.js/gating.js

@@ -7,7 +7,7 @@
 // Note code is not run, so the only issue here is whether it compiles
 // properly as asm.js.
 
-if (!isAsmJSCompilationAvailable())
+if (!this.SharedArrayBuffer || !isAsmJSCompilationAvailable())
     quit(0);
 
 function module_a(stdlib, foreign, heap) {