[commit: ghc] wip/magic-carpet-ride's head updated: Fix #13839: GHCi warnings do not respect the default module header (2762f94)

[git at git.haskell.org]

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

Branch 'wip/magic-carpet-ride' now includes:

     37f257a Rip out object splitting
     23342e1 rts/Printer: Introduce a few more printing utilities
     c19a401 rts/Printer: Print forwarding pointers
     db039a4 Add regression test for #15918
     2ff77b9 Handle absolute paths to build roots in Hadrian.
     5aab1d9 rts: Unglobalize dead_weak_ptr_list and resurrected_threads
     a4944d8 Fix it
     78dd04f Fix #16385 by appending _maybe to a use of lookupGlobalOcc
     3caeb44 Move reifyGHCi function into GhciMonad type class
     4ca271d testsuite: Introduce fragile modifier
     910185a testsuite: Mark heapprof001 as fragile on i386
     a65bcbe testsuite: Use fragile modifier for more tests
     f624dc1 gitlab-ci: Don't allow i386-deb9 to fail
     07f378c Add tests for Trac #16221 and #16342
     25c3dd3 Test Trac #16263
     7a68254 Fix #16392: revertCAFs in external interpreter when necessary
     068b7e9 Fix #16391 by using occCheckExpand in TcValidity
     1675d40 Always do the worker/wrapper split for NOINLINEs
     48927a9 Hadrian: various improvements around the 'test' rule
     5d74414 Hadrian: Drop remaining symlink traversal code from build scripts
     8262825 Testsuite: use 'fragile' instead of 'skip' for T3424, T14697
     5be7ad7 Use captureTopConstraints in TcRnDriver calls
     224a6b8 TH: support raw bytes literals (#14741)
     2762f94 Fix #13839: GHCi warnings do not respect the default module header