[Mlir-commits] [mlir] [mlir][SCF] Fix region branch op interfaces for `scf.forall` and its terminator (PR #174221)

[LLVM Continuous Integration]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `mlir` at step 6 "test-build-check-mlir-build-only-check-mlir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/36454

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-check-mlir-build-only-check-mlir) failure: 1200 seconds without output running [b'ninja', b'check-mlir'], attempting to kill
...
PASS: MLIR :: mlir-translate/split-markers.mlir (3801 of 3812)
PASS: MLIR :: Pass/crash-recovery.mlir (3802 of 3812)
PASS: MLIR :: Pass/remarks.mlir (3803 of 3812)
PASS: MLIR :: mlir-reduce/dce-test.mlir (3804 of 3812)
PASS: MLIR :: mlir-opt/split-markers.mlir (3805 of 3812)
PASS: MLIR :: Transforms/location-snapshot.mlir (3806 of 3812)
PASS: MLIR :: mlir-tblgen/op-error.td (3807 of 3812)
PASS: MLIR :: mlir-runner/utils.mlir (3808 of 3812)
PASS: MLIR :: Pass/pipeline-parsing.mlir (3809 of 3812)
PASS: MLIR :: Pass/pipeline-options-parsing.mlir (3810 of 3812)
command timed out: 1200 seconds without output running [b'ninja', b'check-mlir'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1982.809037

```

</details>

https://github.com/llvm/llvm-project/pull/174221