pio check reports different errors if run with -v flag

[simgunz]

What kind of issue is this?

• PlatformIO Core.
  If you’ve found a bug, please provide an information below.

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Configuration

Operating system: Manjaro Linux

PlatformIO Version (platformio --version): 6.1.15

Description of problem

pio check using clang-tidy reports a different number of errors when run with or without the -v flag

Steps to Reproduce

1. Run pio check
2. One medium error reported
3. Run pio check -v
4. One high and one medium error reported

Actual Results

Different number of errors reported

Expected Results

Same number of errors reported

Source file to reproduce issue:
Minimal example to reproduce the error:
https://github.com/simgunz/platformio-linter-problems/releases/tag/cppcoreguidelines-init-variables-v1