[commit: ghc] wip/spj-wildcard-refactor's head updated: Merge remote-tracking branch 'origin/master' into wip/spj-wildcard-refactor (744d4b0)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

Branch 'wip/spj-wildcard-refactor' now includes:

     c4308b4 rts/Pool: Add poolTryTake
     1712a9e LibdwPool: Use poolTryTake
     ba14f04 Libdw: Handle failure to grab session for location lookup
     d25f853 Update transformers submodule
     49aae12 Check arity on default decl for assoc types
     583867b Update haskeline & terminfo submodules
     85fcd03 Implement new -XTemplateHaskellQuotes pragma
     72e3620 ghci: Add support for prompt functions
     55c737f ghc-pkg: print version when verbose
     399a5b4 Remove deprecated quasiquoter syntax.
     71c0cc1 GHCi should not defer typed holes
     54a9456 Update containers submodule
     616aceb Update deepseq submodule
     5897213 Remove redundant `#if`s
     f101a82 ghci: Refactor handling of :show
     bcd55a9 Some improvements on CoreToDos passed to plugins
     290def7 Implement warnings for Semigroups as parent of Monoid
     d5d2338 Merge remote-tracking branch 'origin/master' into wip/spj-wildcard-refactor
     afb7213 MkId: Typos in comments
     14d0f7f Build system: Add stage specific SRC_HC_(WARNING_)OPTS
     6dce643 Fix grammar and typo in TcTyDecls
     57b995b Wibbles
     744d4b0 Merge remote-tracking branch 'origin/master' into wip/spj-wildcard-refactor