Bug 14281 – duplicate .debug_info entries for arrays, delegates and aa's

The internal cache for types doesn't for some entries because the sibling pointers are unique for each emitted .debug_info entry.

Commits pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/5229aa40d34d9e757fca7d09ee3b0d00fac0d477 fix Issue 14281 - duplicate .debug_info entries for arrays, delegates and aa's - the duplicates exist because DW_AT_sibling pointers are unique for each entry and thus the hashing cache doesn't work - as DW_AT_sibling hardly provides a benefit when skipping over a few bytes, it's better to remove it - also shrinks debug info by a few percent https://github.com/D-Programming-Language/dmd/commit/42b94b6d07d9cd51a5807c572809102c8b390800 Merge pull request #4493 from MartinNowak/fix14281 fix Issue 14281 - duplicate .debug_info entries for arrays, delegates and aa's

Commits pushed to stable at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/5229aa40d34d9e757fca7d09ee3b0d00fac0d477 fix Issue 14281 - duplicate .debug_info entries for arrays, delegates and aa's https://github.com/D-Programming-Language/dmd/commit/42b94b6d07d9cd51a5807c572809102c8b390800 Merge pull request #4493 from MartinNowak/fix14281