A reproduction scenario for GWT bug #9670 / #9664
Run the launch configuration "gwtbug" in an Eclipse 2019-09 with GWT plugin installed,
using GWT 2.8.2. Open the URL http://127.0.0.1:8888/Gwtbug.html in your browser.
Then, apply the following patch:
diff --git a/gwtbug/src/gwtbug/client/Gwtbug.java b/gwtbug/src/gwtbug/client/Gwtbug.java
index 420e7a4..821ab13 100755
--- a/gwtbug/src/gwtbug/client/Gwtbug.java
b/gwtbug/src/gwtbug/client/Gwtbug.java
@@ -14,10 14,10 @@ public class Gwtbug implements EntryPoint {
* This is the entry point method.
*/
public void onModuleLoad() {
final A2.C<String> instance2 = new A2.C<>();^M
final Consumer<String> methodReference2 = instance2::m;^M
final A1.C<String> instance1 = new A1.C<>();
final Consumer<String> methodReference1 = instance1::m;
- final A2.C<String> instance2 = new A2.C<>();
- final Consumer<String> methodReference2 = instance2::m;
RootPanel.get().add(new Label("Result: " methodReference1 ", " methodReference2));
}
}
which simply flips the order in which the two method references are constructed. Save, then refresh your browser window. Here, it produces:
Gwtbug.java:18 Uncaught ReferenceError: l$e_g$ is not defined
at svd_g$.tvd_g$ [as onModuleLoad_0_g$] (Gwtbug.java:18)
at Array.Puc_g$ (gwtbug_00046Gwtbug__EntryMethodHolder.java:3)
at initializeModules_0_g$ (ModuleUtils.java:44)
at eI_g$ (Impl.java:309)
at hI_g$ (Impl.java:368)
at Impl.java:78
at guc_g$ (ModuleUtils.java:55)
at StringHashCache.java:23