CMakePresets: What is the overwrite order for multiple inheritance?

Code
1

I have the CMakeUserPreset.json:

{
  "version": 6,
  "cmakeMinimumRequired": {
    "major": 3,
    "minor": 25,
    "patch": 0
  },
  "configurePresets": [
    {
      "name": "dev",
      "displayName": "developer Ninja build on macos with Coverage",
      "inherits": ["ci-darwin", "coverage-darwin"],
      "generator": "Ninja"
    }
  ],
  "buildPresets": [
    {
      "name": "dev",
      "configurePreset": "dev",
      "configuration": "Coverage"
    }
  ],
  "testPresets": [
    {
      "name": "dev",
      "configurePreset": "dev",
      "configuration": "Coverage",
      "output": {
        "outputOnFailure": true
      }
    }
  ] ,
  "workflowPresets": [
    {
      "name": "dev",
      "steps": [
        {
          "type": "configure",
          "name": "dev"
        },
        {
          "type": "build",
          "name": "dev"
        },
        {
          "type": "test",
          "name": "dev"
        }
      ]
    }
  ]
}

The ci-darwin (Release build) should be overwritten by coverage-darwin!

But the result is this:

bash-3.2$ cmake --workflow --preset dev --fresh
Executing workflow step 1 of 3: configure preset "dev"

Preset CMake variables:

  CMAKE_BUILD_TYPE="Release"
  CMAKE_CXX_EXTENSIONS="OFF"
  CMAKE_CXX_FLAGS="-fstack-protector-strong -fcf-protection=full -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -Wcast-qual -Wformat=2 -Wundef -Werror=float-equal -Wshadow -Wcast-align -Wunused -Wnull-dereference -Wdouble-promotion -Wimplicit-fallthrough -Wextra-semi -Woverloaded-virtual -Wnon-virtual-dtor -Wold-style-cast"
  CMAKE_CXX_FLAGS_COVERAGE="-Og -g --coverage"
  CMAKE_CXX_STANDARD="17"
  CMAKE_CXX_STANDARD_REQUIRED="ON"
  CMAKE_EXE_LINKER_FLAGS_COVERAGE="--coverage"
  CMAKE_SHARED_LINKER_FLAGS_COVERAGE="--coverage"
  ENABLE_COVERAGE="ON"

-- The CXX compiler identification is AppleClang 14.0.3.14030022
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY - Success
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY - Success
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR - Success
-- Configuring done (2.1s)
-- Generating done (0.0s)
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_CXX_FLAGS_COVERAGE
    CMAKE_EXE_LINKER_FLAGS_COVERAGE
    CMAKE_SHARED_LINKER_FLAGS_COVERAGE
    ENABLE_COVERAGE


-- Build files have been written to: /Users/clausklein/Workspace/cpp/cmake-init-shared-static/build/coverage

Executing workflow step 2 of 3: build preset "dev"

[2/2] Linking CXX static library libshared.a

Executing workflow step 3 of 3: test preset "dev"

Test project /Users/clausklein/Workspace/cpp/cmake-init-shared-static/build/coverage
No tests were found!!!
bash-3.2$
2

No, that’s not how inherits works for presets. The presets documentation makes clear the behavior with the following statement:

If multiple inherits presets provide conflicting values for the same field, the earlier preset in the inherits array will be preferred.

3

That seems wrong to me!

For single inheritance, the last preset overwrites a value.
So I expected the same rules for multiple preset inheritance in a list.

What is the reason for this different rules?