Marge Bot pushed to branch wip/marge_bot_batch_merge_job at Glasgow Haskell Compiler / GHC

Commits:

• 95f057d1
  by Ben Gamari at 2025-08-19T08:07:28-04:00

  testsuite: Fix T20006b
  
  This test is supposed to fail for non-threaded ways yet it
  was previously marked as only failing in `normal`.
  Fix this.

• 3dd5ea9d
  by Simon Peyton Jones at 2025-08-19T08:07:29-04:00

  Take yet more care with reporting redundant constraints
  
  This small patch fixes #25992, which relates to reporting redundant
  constraints on default-method declarations.
  
  See (TRC5) in Note [Tracking redundant constraints]
  

• c11c8574
  by fendor at 2025-08-19T08:07:30-04:00

  Bump dependencies of hadrian-bootstrap-gen to use GHC 9.6.7
  

• 66303a57
  by fendor at 2025-08-19T08:07:30-04:00

  Bump required GHC version for test-bootstrap jobs to 9.10.1
  
  Include test-bootstrap job for GHC 9.12.2.
  
  Update hadrian bootstrap plans use GHC 9.10 and 9.12
  
  Remove older GHC bootstrap configurations.
  We require at least GHC 9.10.1 to build GHC.
  
  Adds plans for:
  
  * 9.10.1
  * 9.10.2
  * 9.12.1
  * 9.12.2
  

28 changed files:

• .gitlab-ci.yml
• compiler/GHC/Tc/Solver/Solve.hs
• compiler/GHC/Tc/TyCl/Instance.hs
• compiler/GHC/Tc/Types/Origin.hs
• hadrian/bootstrap/generate_bootstrap_plans
• hadrian/bootstrap/hadrian-bootstrap-gen.cabal
• hadrian/bootstrap/plan-9_10_1.json
• hadrian/bootstrap/plan-9_6_5.json → hadrian/bootstrap/plan-9_10_2.json
• hadrian/bootstrap/plan-9_6_6.json → hadrian/bootstrap/plan-9_12_1.json
• hadrian/bootstrap/plan-9_6_4.json → hadrian/bootstrap/plan-9_12_2.json
• − hadrian/bootstrap/plan-9_6_1.json
• − hadrian/bootstrap/plan-9_6_2.json
• − hadrian/bootstrap/plan-9_6_3.json
• − hadrian/bootstrap/plan-9_8_1.json
• − hadrian/bootstrap/plan-9_8_2.json
• hadrian/bootstrap/plan-bootstrap-9_10_1.json
• hadrian/bootstrap/plan-bootstrap-9_6_5.json → hadrian/bootstrap/plan-bootstrap-9_10_2.json
• hadrian/bootstrap/plan-bootstrap-9_6_6.json → hadrian/bootstrap/plan-bootstrap-9_12_1.json
• hadrian/bootstrap/plan-bootstrap-9_8_1.json → hadrian/bootstrap/plan-bootstrap-9_12_2.json
• − hadrian/bootstrap/plan-bootstrap-9_6_1.json
• − hadrian/bootstrap/plan-bootstrap-9_6_2.json
• − hadrian/bootstrap/plan-bootstrap-9_6_3.json
• − hadrian/bootstrap/plan-bootstrap-9_6_4.json
• − hadrian/bootstrap/plan-bootstrap-9_8_2.json
• hadrian/bootstrap/src/Main.hs
• testsuite/tests/rts/flags/all.T
• + testsuite/tests/typecheck/should_compile/T25992a.hs
• testsuite/tests/typecheck/should_compile/all.T

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