fixed #14547 - store absolute path in FileWithDetails (fixes slow lead up to analysis with a lot of input files)

[firewave]

No description provided.

[firewave]

before:

DISABLE_VALUEFLOW=1 ./cppcheck -D__GNUC__ libexplain-1.4 -q -E > /dev/null  21,44s user 23,19s system 99% cpu 44,960 total

after:

DISABLE_VALUEFLOW=1 ./cppcheck -D__GNUC__ libexplain-1.4 -q -E > /dev/null  6,44s user 0,08s system 99% cpu 6,578 total

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[firewave]

I am also filtering out the files before trying to de-duplicate them. That should reduce the calls even more if files are filtered. Also will provide better output when we start logging the filtered out files somewhere in the future.

[danmar]

before:

DISABLE_VALUEFLOW=1 ./cppcheck -D__GNUC__ libexplain-1.4 -q -E > /dev/null  21,44s user 23,19s system 99% cpu 44,960 total

after:

DISABLE_VALUEFLOW=1 ./cppcheck -D__GNUC__ libexplain-1.4 -q -E > /dev/null  6,44s user 0,08s system 99% cpu 6,578 total

Wow! Nice speedup!

[firewave]

Wow! Nice speedup!

Well - it was a bad regression - so nothing gained.