[all-commits] [llvm/llvm-project] 2248cd: [Arm] Fix UAF in ARMConstantIslandPass (#146232)

[Qinkun Bao via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2248cdfa74ecc09bca2a142029cc4c96e5d00cda
      https://github.com/llvm/llvm-project/commit/2248cdfa74ecc09bca2a142029cc4c96e5d00cda
  Author: Qinkun Bao <qinkun at google.com>
  Date:   2025-06-29 (Sun, 29 Jun 2025)

  Changed paths:
    M llvm/lib/Target/ARM/ARMConstantIslandPass.cpp

  Log Message:
  -----------
  [Arm] Fix UAF in ARMConstantIslandPass (#146232)

https://github.com/llvm/llvm-project/pull/146198 changes
```
    for (unsigned i = 0, e = ImmBranches.size(); i != e; ++i)
      BRChange |= fixupImmediateBr(ImmBranches[i]);
```
to
```
    for (ImmBranch &Br : ImmBranches)
      BRChange |= fixupImmediateBr(Br);
```
Unfortunately, they are not NFC and cause the buildbot error. e.g.,
https://lab.llvm.org/buildbot/#/builders/24/builds/9943
https://lab.llvm.org/buildbot/#/builders/169/builds/12570
Use make_early_inc_range to fix the issue



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