[clang] [llvm] [mlir] [Support] Validate number of arguments passed to formatv() (PR #105745)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ve-ninja` running on `hpce-ve-main` while building `clang,llvm,mlir` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/12/builds/4733

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

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/ve-linux.py ...' (failure)
...
[647/648] Running the LLVM regression tests
Unknown option: -C
usage: git [--version] [--help] [-c name=value]
           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           <command> [<args>]
An error occurred retrieving the git revision: Command '['git', '-C', '/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm', 'rev-parse', 'HEAD']' returned non-zero exit status 129.
-- Testing: 55052 tests, 48 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: LLVM-Unit :: Support/./SupportTests/54/85 (54480 of 55052)
******************** TEST 'LLVM-Unit :: Support/./SupportTests/54/85' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests-LLVM-Unit-264608-54-85.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=85 GTEST_SHARD_INDEX=54 /scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests
--

Script:
--
/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests --gtest_filter=FormatVariadicTest.Validate
--
/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:716: Failure
Value of: Str
Expected: has substring "Unexpected number of arguments"
  Actual: "1"

/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:719: Failure
Value of: Str
Expected: has substring "eplacement indices have holes"
  Actual: "1 3"


/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:716
Value of: Str
Expected: has substring "Unexpected number of arguments"
  Actual: "1"

/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:719
Value of: Str
Expected: has substring "eplacement indices have holes"
  Actual: "1 3"



********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  LLVM-Unit :: Support/./SupportTests/FormatVariadicTest/Validate
Step 8 (check-llvm) failure: check-llvm (failure)
...
[647/648] Running the LLVM regression tests
Unknown option: -C
usage: git [--version] [--help] [-c name=value]
           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           <command> [<args>]
An error occurred retrieving the git revision: Command '['git', '-C', '/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm', 'rev-parse', 'HEAD']' returned non-zero exit status 129.
-- Testing: 55052 tests, 48 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: LLVM-Unit :: Support/./SupportTests/54/85 (54480 of 55052)
******************** TEST 'LLVM-Unit :: Support/./SupportTests/54/85' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests-LLVM-Unit-264608-54-85.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=85 GTEST_SHARD_INDEX=54 /scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests
--

Script:
--
/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/Support/./SupportTests --gtest_filter=FormatVariadicTest.Validate
--
/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:716: Failure
Value of: Str
Expected: has substring "Unexpected number of arguments"
  Actual: "1"

/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:719: Failure
Value of: Str
Expected: has substring "eplacement indices have holes"
  Actual: "1 3"


/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:716
Value of: Str
Expected: has substring "Unexpected number of arguments"
  Actual: "1"

/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/Support/FormatVariadicTest.cpp:719
Value of: Str
Expected: has substring "eplacement indices have holes"
  Actual: "1 3"



********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  LLVM-Unit :: Support/./SupportTests/FormatVariadicTest/Validate

```

</details>

https://github.com/llvm/llvm-project/pull/105745