)]}'
{
  "commit": "4c7b09fbb942a291f60c73b2e519be203a53b4ca",
  "tree": "91b9383a03f499f2837c84c0b0df99b12e4a6bf8",
  "parents": [
    "348277f9ec06103029ab5669b69e17e9f40d4f87"
  ],
  "author": {
    "name": "Ben Clayton",
    "email": "bclayton@google.com",
    "time": "Fri Apr 05 16:27:20 2024 +0000"
  },
  "committer": {
    "name": "Dawn LUCI CQ",
    "email": "dawn-scoped@luci-project-accounts.iam.gserviceaccount.com",
    "time": "Fri Apr 05 16:27:20 2024 +0000"
  },
  "message": "[tint][ir] Use the FilteredIterator to avoid dead instructions\n\nThe common pattern by many IR transforms is to iterate over the ir::Module::instructions.Objects(), which is the list of allocated instructions.\nThese include instructions that have been destroyed, and must not be used.\n\nWe\u0027ve hit the same bug time and time again, where we\u0027ve forgotten to check for `Instruction::Alive()` before using the instruction.\nTo avoid this mistake, add new ir::Module::Instructions() and ir::Module::Values() method that returns an iterator filtered to the alive instructions / values.\n\nMove the allocators into a new \u0027allocators\u0027 structure member to discourage use of these for object iteration.\n\nChange-Id: Ic0043c8a4b82b9ec10b2b8a3479f33c6e5d286ff\nReviewed-on: https://dawn-review.googlesource.com/c/dawn/+/182122\nCommit-Queue: Ben Clayton \u003cbclayton@google.com\u003e\nReviewed-by: James Price \u003cjrprice@google.com\u003e\n",
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