#7534: allocateRegsAndSpill: Cannot read from uninitialized register
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Reporter: erikd | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.7 | Keywords:
Os: Linux | Architecture: powerpc64
Failure: Building GHC failed | Blockedby:
Blocking: | Related:
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Comment(by erikd):
From `compiler/nativeGen/RegAlloc/Linear/Main.hs`:
{{{
-- NOTE: if the input to the NCG contains some
-- unreachable blocks with junk code, this panic
-- might be triggered. Make sure you only feed
-- sensible code into the NCG. In CmmPipeline we
-- call removeUnreachableBlocks at the end for this
-- reason.
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7534#comment:1>
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