https://issues.dlang.org/show_bug.cgi?id=14104
--- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/D-Programming-Language/druntime https://github.com/D-Programming-Language/druntime/commit/cc8046dd390a974e57a8062e2fb98402726208e7 fix Issue 14104 - aa with pointer key type doesn't find existing value - the internal TypeInfo_P.getHash for pointers trucated the hash to 32-bit unlike the TypeInfo_Pointer.getHash - internal TypeInfos are used when no full type information is needed so they must behave identical https://github.com/D-Programming-Language/druntime/commit/86f8b7cd760ac1b21059f9953d58569808eeec09 Merge pull request #1150 from MartinNowak/fix14104 fix Issue 14104 - aa with pointer key type doesn't find existing value --