#12545: Compilation time/space regression in GHC 8.0/8.1 (search in type-level
lists and -O)
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Reporter: | Owner: (none)
mikhail.vorozhtsov |
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.0.1
Resolution: | Keywords: Inlining
Operating System: Unknown/Multiple | Architecture:
Type of failure: Compile-time | Unknown/Multiple
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by RyanGlScott):
Found it. The other culprit is commit
1722fa106e10e63160bb2322e2ccb830fd5b9ab3 (Fix #11230.):
{{{
Commit ae86eb9f72fa7220fe47ac54d6d21395691c1308 (Fix tcTyClTyVars to
handle SigTvs)
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$ time ghc4/inplace/bin/ghc-stage2 -fforce-recomp -O -c -Rghc-timing
TypeList.hs Regression.hs
<