[flang-commits] [flang] [llvm] [Flang][CMake] Use fakeflang as dispatcher (PR #209482)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-linux-multistage` running on `ppc64le-clang-multistage-test` while building `flang,llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/76/builds/15077

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

```
Step 5 (ninja check 1) failure: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
...
PASS: Clang :: Preprocessor/x86_target_features.c (113017 of 113027)
PASS: Clang :: Driver/x86-target-features.c (113018 of 113027)
PASS: LLVM :: CodeGen/RISCV/attributes.ll (113019 of 113027)
PASS: Clang :: Driver/cl-options.c (113020 of 113027)
PASS: Clang :: Preprocessor/arm-target-features.c (113021 of 113027)
PASS: Clang :: OpenMP/target_update_codegen.cpp (113022 of 113027)
PASS: ScudoStandalone-Unit :: ./ScudoCxxUnitTest-powerpc64le-Test/0/3 (113023 of 113027)
PASS: Clang :: Driver/arm-cortex-cpus-2.c (113024 of 113027)
PASS: ScudoStandalone-Unit :: ./ScudoUnitTest-powerpc64le-Test/104/387 (113025 of 113027)
PASS: ScudoStandalone-Unit :: ./ScudoUnitTest-powerpc64le-Test/113/387 (113026 of 113027)
command timed out: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=8668.778871

```

</details>

https://github.com/llvm/llvm-project/pull/209482