[libc-commits] [libc] [llvm] [LLVM] Replace use of LLVM_RUNTIMES_TARGET with LLVM_DEFAULT_TARGET_TRIPLE (PR #188303)

[LLVM Continuous Integration via libc-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `flang-rt,libc,llvm,runtimes` at step 3 "clean-build-dir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/41425

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

```
Step 3 (clean-build-dir) failure: Delete failed. (failure) (timed out)
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 :: Dialect/Arith/emulate-wide-int-unsupported.mlir (3982 of 3992)
PASS: MLIR :: Analysis/DataFlow/test-written-to.mlir (3983 of 3992)
PASS: MLIR :: Analysis/DataFlow/test-dead-code-analysis-func.mlir (3984 of 3992)
PASS: MLIR :: Analysis/test-liveness.mlir (3985 of 3992)
PASS: MLIR :: IR/op-stats.mlir (3986 of 3992)
PASS: MLIR :: IR/print-op-on-diagnostic.mlir (3987 of 3992)
PASS: MLIR :: Pass/remark-final.mlir (3988 of 3992)
PASS: MLIR :: mlir-opt/outputfile.mlir (3989 of 3992)
PASS: MLIR :: Analysis/DataFlow/test-last-modified-callgraph.mlir (3990 of 3992)
PASS: MLIR :: Transforms/invalid-parallel-loop-collapsing.mlir (3991 of 3992)
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=2344.716574

```

</details>

https://github.com/llvm/llvm-project/pull/188303