Index: sdk/lib/_internal/compiler/implementation/ssa/builder.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart |
index acf5cb94affb90a5db09db31d582a66306220883..bfb17fd4aecd52dcefd8ed6901bcbcaa6ff5f35b 100644 |
--- a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart |
+++ b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart |
@@ -3224,6 +3224,8 @@ class SsaBuilder extends ResolvedVisitor implements Visitor { |
handleForeignJsCurrentIsolate(node); |
} else if (name == const SourceString('JS_GET_NAME')) { |
handleForeignJsGetName(node); |
+ } else if (name == const SourceString('JS_EFFECT')) { |
+ stack.add(graph.addConstantNull(compiler)); |
} else { |
throw "Unknown foreign: ${selector}"; |
} |