fix Issue 12220 - hash.get() does not accept proper parameters
Merge pull request #3358 from 9rnsr/fix12220

Issue 12220 - hash.get() does not accept proper parameters
Correct issues found by AddressSanitizer.

The changes in this pull request fixes issues found by AddressSanitizer from LLVM 3.4.
Add version identifier for Nvidia Parallel Thread Execution (NVPTX).

This is another LLVM backend. Maybe it is possible to run D on graphic cards, too.
Merge pull request #3359 from redstar/nvptx

Add version identifier for Nvidia Parallel Thread Execution (NVPTX).
Merge pull request #2699 from redstar/asan

Correct issues found by AddressSanitizer.