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-rwxr-xr-xxpcom/idl-parser/xpidl/xpidl.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/xpcom/idl-parser/xpidl/xpidl.py b/xpcom/idl-parser/xpidl/xpidl.py
index 8b2d8c884..6bb1ad5de 100755
--- a/xpcom/idl-parser/xpidl/xpidl.py
+++ b/xpcom/idl-parser/xpidl/xpidl.py
@@ -529,7 +529,7 @@ class Interface(object):
raise IDLError("interface '%s' inherits from non-interface type '%s'" % (self.name, self.base), self.location)
if self.attributes.scriptable and not realbase.attributes.scriptable:
- print >>sys.stderr, IDLError("interface '%s' is scriptable but derives from non-scriptable '%s'" % (self.name, self.base), self.location, warning=True)
+ raise IDLError("interface '%s' is scriptable but derives from non-scriptable '%s'" % (self.name, self.base), self.location, warning=True)
if self.attributes.scriptable and realbase.attributes.builtinclass and not self.attributes.builtinclass:
raise IDLError("interface '%s' is not builtinclass but derives from builtinclass '%s'" % (self.name, self.base), self.location)