Build new IR for functions returning a constant

sdk/lib/_internal/compiler/implementation/elements/modelx.dart

Index: sdk/lib/_internal/compiler/implementation/elements/modelx.dart
diff --git a/sdk/lib/_internal/compiler/implementation/elements/modelx.dart b/sdk/lib/_internal/compiler/implementation/elements/modelx.dart
index 56a35e9bc2e87b07d7ae1916a9e52fb591952850..eb106ba484535be4770cef3f8b3a691c8f1e7a51 100644
--- a/sdk/lib/_internal/compiler/implementation/elements/modelx.dart
+++ b/sdk/lib/_internal/compiler/implementation/elements/modelx.dart
@@ -328,6 +328,8 @@ class ErroneousElementX extends ElementX implements ErroneousElement {
 
   bool get isRedirectingFactory => unsupported();
 
+  void setAbstract() => unsupported();
+
   setPatch(patch) => unsupported();
   computeSignature(compiler) => unsupported();
   requiredParameterCount(compiler) => unsupported();
@@ -1523,13 +1525,13 @@ class FunctionElementX extends ElementX implements FunctionElement {
     }
   }
 
+  bool _isAbstract = false;
+  void setAbstract() { _isAbstract = true; }
+
   bool isAbstract(Compiler compiler) {
+    if (_isAbstract) return true;
     if (super.isAbstract(compiler)) return true;
     if (modifiers.isExternal()) return false;

[karlklose, 2013/11/06 09:11:28]

You can remove this check now.

[lukas, 2013/11/06 11:36:08]

Done.

-    if (isFunction() || isAccessor()) {
-      return compiler.withCurrentElement(this,
-          () => !parseNode(compiler).hasBody());
-    }
     return false;
   }
 }