[DWARFv5] Enable MD5 checksums
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Authored by probinson on Jan 12 2018, 2:12 PM.

Details

Summary

Under -gdwarf-5 generate MD5 checksums of source files to emit to the DWARF v5 line table.

This consumes 16 bytes per source file in the line table, but allows a debugger to verify that
the source file hasn't changed since build time, which Clang has never allowed before.

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rC Clang
probinson created this revision.Jan 12 2018, 2:12 PM
aprantl accepted this revision.Jan 12 2018, 2:15 PM
This revision is now accepted and ready to land.Jan 12 2018, 2:15 PM
This revision was automatically updated to reflect the committed changes.
This revision was automatically updated to reflect the committed changes.