Eliot Miranda uploaded a new version of Compiler to project The Trunk:
http://source.squeak.org/trunk/Compiler-eem.461.mcz

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

Name: Compiler-eem.461
Author: eem
Time: 21 October 2021, 12:00:12.295003 pm
UUID: f42bd9ed-6507-42c4-a99c-cd2d6f69bc5f
Ancestors: Compiler-eem.460

Make canBeSpecialLiteral: bytecode set specific.

=============== Diff against Compiler-eem.460 ===============

Item was changed:
  ----- Method: BytecodeEncoder class>>canBeSpecialLiteral: (in category 'testing') -----
  canBeSpecialLiteral: aLiteral
  	"This check can be used to prevent unnecessary use of #scanBlockOrNilForLiteral:. For performance, this method summarizes specializations from all known bytecode encoders. It is not meant to be refined per bytecode encoder."
+ 
+ 	aLiteral isVariableBinding ifTrue: [^false]. "a common case; don't waste time analysing..."
  	
  	aLiteral isSymbol ifTrue: [^ Smalltalk specialSelectors identityIncludes: aLiteral].
  	aLiteral isCharacter ifTrue: [^ aLiteral asInteger <= 65535].
  	aLiteral isInteger ifTrue: [^ aLiteral between: -32768 and: 32767].
  
  	aLiteral == true ifTrue: [^ true].
  	aLiteral == false ifTrue: [^ true].
  	aLiteral == nil ifTrue: [^ true].
  
  	^ false!

Item was added:
+ ----- Method: EncoderForSistaV1 class>>canBeSpecialLiteral: (in category 'testing') -----
+ canBeSpecialLiteral: aLiteral
+ 	"This check can be used to prevent unnecessary use of #scanBlockOrNilForLiteral:."
+ 
+ 	aLiteral isVariableBinding ifTrue: [^false]. "a common case; don't waste time analysing..."
+ 	
+ 	aLiteral isSymbol ifTrue: [^ Smalltalk specialSelectors identityIncludes: aLiteral].
+ 	aLiteral isCharacter ifTrue: [^ aLiteral asInteger <= 65535].
+ 	aLiteral isInteger ifTrue: [^ aLiteral between: -32768 and: 32767].
+ 
+ 	aLiteral == true ifTrue: [^ true].
+ 	aLiteral == false ifTrue: [^ true].
+ 	aLiteral == nil ifTrue: [^ true].
+ 
+ 	^ false!

Item was added:
+ ----- Method: EncoderForV3 class>>canBeSpecialLiteral: (in category 'testing') -----
+ canBeSpecialLiteral: aLiteral
+ 	"This check can be used to prevent unnecessary use of #scanBlockOrNilForLiteral:."
+ 
+ 	aLiteral isVariableBinding ifTrue: [^false]. "a common case; don't waste time analysing..."
+ 
+ 	aLiteral isSymbol ifTrue: [^ Smalltalk specialSelectors identityIncludes: aLiteral].
+ 	aLiteral isInteger ifTrue: [^ aLiteral between: -1 and: 2].
+ 
+ 	aLiteral == true ifTrue: [^ true].
+ 	aLiteral == false ifTrue: [^ true].
+ 	aLiteral == nil ifTrue: [^ true].
+ 
+ 	^ false!