ANNOUNCE: GHC 7.8.1 Release Candidate 2

Michał J Gajda mjgajda at
Sun Apr 6 04:01:17 UTC 2014

GHC 7.8 rc2 exhausts all memory on Bio.PDB.EventParser.PDBEventParser
module in -O3 mode, but not in -O2 mode.

The tail of -v3 input seems to indicate that it dies
during SpecConstr phase. The module successfully compiled
with relatively low memory use RAM since GHC 6.12, so I wonder why the
memory use exploded with the most recent version.

Since I am new to GHC core, may I have a hint what debugging information
may help with this particular issue?

*** SpecConstr:

==================== SpecConstr ====================
Result size of SpecConstr

* I submitted the ticket:
  Best regards
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