[interpreter] Fix label binding for unreached labels.

test/webkit/webkit.status

Index: test/webkit/webkit.status
diff --git a/test/webkit/webkit.status b/test/webkit/webkit.status
index 2e2bbcc928d683504af8625a6e0b790699ade085..e2d2c4054e1c2857106188952cfb53c4d6910442 100644
--- a/test/webkit/webkit.status
+++ b/test/webkit/webkit.status
@@ -100,9 +100,6 @@
 ['ignition == True', {
   # TODO(4680): Throws a RangeError due to stack overflow. Need investigation.
   'fast/js/excessive-comma-usage': [SKIP],  # Stack is brittle, SKIP not FAIL.
-
-  # TODO(4680): Assertion is C++ collection, looks like ordinary bug.
-  'fast/js/parser-syntax-check': [SKIP],  # Only some C++ libs, SKIP not FAIL.
 }],  # ignition == True
 
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