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Code duplication in desugaring of switch statements #54

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tilk opened this issue Feb 6, 2015 · 0 comments
Open

Code duplication in desugaring of switch statements #54

tilk opened this issue Feb 6, 2015 · 0 comments

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@tilk
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tilk commented Feb 6, 2015

The code in cases after the default case is duplicated, which can lead to exponential blowup. For example, in this code:

switch(1) {
  default:
  case 1: 
  switch(1) { 
    default:
    case 1:
    x = 1
  }
}

The x = 1 statement is replicated four times in the desugared code.
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@tilk