Import qualified Prelude in parser

This is in preparation of backwards-incompatible changes in happy.
See https://github.com/simonmar/happy/issues/166
22 jobs for master in 632 minutes and 25 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Lint
passed #257278
lint
lint-linters

00:00:17

passed #257281
lint
lint-submods-branch

00:00:16

passed #257279
lint
lint-testsuite

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passed #257280
lint
typecheck-testsuite

00:00:14

 
  Quick Build
passed #257282
x86_64-linux
hadrian-ghc-in-ghci

00:09:50

 
  Build
passed #257283
x86_64-linux
validate-x86_64-linux-deb9-hadrian

01:35:37

 
  Full Build
failed #257286
aarch64-linux allowed to fail
validate-aarch64-linux-deb9

04:43:40

passed #257287
armv7-linux
validate-armv7-linux-deb9

04:22:25

passed #257288
x86_64-linux
validate-i386-linux-deb9

01:51:41

passed #257285
x86_64-darwin
validate-x86_64-darwin

01:09:52

passed #257289
x86_64-linux
validate-x86_64-linux-deb9-debug

02:49:20

passed #257291
x86_64-linux
validate-x86_64-linux-deb9-dwarf

01:24:05

passed #257290
x86_64-linux
validate-x86_64-linux-deb9-integer-simple

01:48:46

passed #257284
x86_64-linux
validate-x86_64-linux-deb9-unreg-hadrian

03:19:17

passed #257292
x86_64-linux
validate-x86_64-linux-fedora27

01:22:42

failed #257294
x86_64-windows allowed to fail
validate-x86_64-windows

failed #257293
x86_64-windows allowed to fail
validate-x86_64-windows-hadrian

 
  Cleanup
passed #257295
x86_64-darwin
cleanup-darwin

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  Packaging
failed #257296
x86_64-linux allowed to fail
doc-tarball

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  Testing
manual #257297
x86_64-linux allowed to fail manual
hackage
passed #257298
x86_64-linux
perf-nofib

00:42:13

 
  Deploy
failed #257299
x86_64-linux allowed to fail
pages

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Name Stage Failure
failed
pages Deploy
$ git checkout .gitmodules
$ git fetch https://gitlab.haskell.org/ghc/ghc-performance-notes.git refs/notes/perf:refs/notes/perf || true
From https://gitlab.haskell.org/ghc/ghc-performance-notes
6cb17942c6..ae3dddcaec refs/notes/perf -> refs/notes/perf
$ mkdir -p public/doc
$ tar -xf haddock.html.tar.xz -C public/doc
tar: haddock.html.tar.xz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
ERROR: Job failed: exit code 1
failed
doc-tarball Packaging
Synchronizing submodule url for 'utils/hsc2hs'
$ git submodule update --init --recursive
$ git checkout .gitmodules
$ git fetch https://gitlab.haskell.org/ghc/ghc-performance-notes.git refs/notes/perf:refs/notes/perf || true
From https://gitlab.haskell.org/ghc/ghc-performance-notes
ac125f347a..6cb17942c6 refs/notes/perf -> refs/notes/perf
$ if [ ! -f "$LINUX_BINDIST" ]; then # collapsed multi-line command
Error: ghc-x86_64-mingw32.tar.xz does not exist. Did the 64-bit Windows job fail?
ERROR: Job failed: exit code 1
failed
validate-x86_64-windows Full Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
validate-x86_64-windows-hadrian Full Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
validate-aarch64-linux-deb9 Full Build
Uploading artifacts...
ghc-aarch64-linux-deb9.tar.xz: found 1 matching files
junit.xml: found 1 matching files

performance-metrics.tsv: found 1 matching files

Uploading artifacts to coordinator... ok
id=257286 responseStatus=201 Created token=92ox5Dci
Uploading artifacts...
junit.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=257286 responseStatus=201 Created token=92ox5Dci
ERROR: Job failed: exit code 1