Bug 21221 – only print unique messages (from the compiler)

I'm using "-vtls" to view the thread local variables, but I saw thousands of lines of duplicate messages like this: ... /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(729,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(723,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(729,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(723,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(729,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(723,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(729,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(723,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(729,8): `aggregate` is thread local /Users//.dub/packages/mir-core-1.1.10/mir-core/source/mir/reflection.d(723,8): `aggregate` is thread local ... [thousands of lines of duplication] I'm wondering if dmd can detect such duplication, and only print unique messages. Right now, I'm using this shell work-around: $ make release | grep 'is thread local' | sort | uniq Thanks.

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