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SpEL Compiler: problems using primitives with instanceof operator [SPR-14250] #18823

spring-issuemaster opened this issue May 4, 2016 · 1 comment


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@spring-issuemaster spring-issuemaster commented May 4, 2016

Andy Clement opened SPR-14250 and commented

These two expressions generate bad code when compiled, for slightly different reasons:

3 instanceof T(Integer)
'foo' instanceof T(int)

The first because we didn't box the 3 in the OperatorInstanceOf.generateCode method. The second because primitive types used with instanceof need special handling. (Uncovered whilst testing some docs that Stephane referenced in another bug #18816)

Affects: 4.3 RC1

Issue Links:

  • #18816 Review SpeL relational operators documentation

Referenced from: commits a31f0bb

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@spring-issuemaster spring-issuemaster commented May 5, 2016

Andy Clement commented

Fixes pushed. All scenarios now handled better:

  • primitive on left of instanceof
  • right hand side is a primitive type reference
  • right hand side is not a 'direct' type reference (but instead something indirect like a variable reference).
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