compiler/simplCore/FloatOut.lhs · acd157f7d0989cd0910b14070257a2a85804ba7f · Alexander Kaznacheev / GHC

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13 years ago

Merged: Fix two bugs in caes-floating (fixes Trac #5453) · acd157f7

Ian Lynagh authored 13 years ago

Changeset bd6f5de7
Author: Simon Peyton Jones <simonpj@microsoft.com>

Fix two bugs in caes-floating (fixes Trac #5453)

The problem is documented in the ticket. The patch
does two things

1. Make exprOkForSpeculation return False for a non-exhaustive case

2. In SetLevels?.lvlExpr, look at the *result* scrutinee, not the
    *input* scrutinee, when testing for evaluated-ness

acd157f7

History

Merged: Fix two bugs in caes-floating (fixes Trac #5453)

Ian Lynagh authored 13 years ago

Changeset bd6f5de7
Author: Simon Peyton Jones <simonpj@microsoft.com>

Fix two bugs in caes-floating (fixes Trac #5453)

The problem is documented in the ticket. The patch
does two things

1. Make exprOkForSpeculation return False for a non-exhaustive case

2. In SetLevels?.lvlExpr, look at the *result* scrutinee, not the
    *input* scrutinee, when testing for evaluated-ness

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