Tobias Pape uploaded a new version of Compiler to project The Trunk:
http://source.squeak.org/trunk/Compiler-topa.296.mcz

==================== Summary ====================

Name: Compiler-topa.296
Author: topa
Time: 15 March 2015, 11:25:01.745 pm
UUID: 79db1261-d436-4832-b794-ab25d7521fd5
Ancestors: Compiler-topa.295

initially, the encoder is self, but does not know about the classEncoding. Guard this, too

=============== Diff against Compiler-topa.295 ===============

Item was changed:
  ----- Method: Parser>>allowUnderscoreAssignments (in category 'private') -----
  allowUnderscoreAssignments
  	"Query class + preference"
+ 	^ (encoder ifNotNil: [:e | 
+ 		e == self 
+ 			ifTrue: [nil]
+ 			ifFalse: [e classEncoding allowUnderscoreAssignments]])
- 	^ (encoder ifNotNil: [:e | e classEncoding allowUnderscoreAssignments])
  		ifNil: [super allowUnderscoreAssignments]!