This patch tries to just preserve diagnostics that are contained to lines containing #include or #define directives and moves them around with the new file contents. It's granularity is per-line, it doesn't handle column-wide changes. Depends on D143095

Translates diagnostics from baseline preamble to relevant modified contents. Translation is done by looking for a set of lines that have the same contents in diagnostic/note/fix ranges inside baseline and modified contents. A diagnostic is preserved if its main range is outside of main file or there's a translation from baseline to modified contents. Later on fixes and notes attached to that diagnostic with relevant ranges are also translated and preserved. Depends on D143095

This patch tries to just preserve diagnostics that are contained toTranslates diagnostics from baseline preamble to relevant modified lines containing #include or #define directives and moves them aroundcontents. Translation is done by looking for a set of lines that have the same contents in diagnostic/note/fix ranges inside baseline and modified contents. A diagnostic is preserved if its main range is outside of main file or there's a translation from baseline to modified contents. Later on fixes with the new file contents. It's granularity is per-line, it doesn'tand notes attached to that diagnostic with relevant ranges are also handle column-wide changestranslated and preserved. Depends on D143095