Add the first phi's input as possible generate-at-use-site.

frog/tests/leg/src/TypeInferenceTest.dart

Index: frog/tests/leg/src/TypeInferenceTest.dart
diff --git a/frog/tests/leg/src/TypeInferenceTest.dart b/frog/tests/leg/src/TypeInferenceTest.dart
index 775b2164741df14c56fcd0c4ffff85544afa7180..49dca7b3126b6af330d4f1e349d36ec0eda5532c 100644
--- a/frog/tests/leg/src/TypeInferenceTest.dart
+++ b/frog/tests/leg/src/TypeInferenceTest.dart
@@ -55,7 +55,7 @@ main() {
 
   regexp = new RegExp("sum = \\(?$anyIdentifier \\+ $anyIdentifier\\)?");
   // TODO(ngeoffray): Do live range analysis to make this test pass.

[floitsch, 2012/04/13 12:41:32]

ditto.

[Lasse Reichstein Nielsen, 2012/04/13 13:03:58]

Removed.

-  Expect.isFalse(regexp.hasMatch(generated));
+  Expect.isTrue(regexp.hasMatch(generated));
 
   regexp = const RegExp("typeof param0 !== 'number'");
   Expect.isTrue(regexp.hasMatch(generated));