fix Issue 13131 - [2.066-b3] dmd: glue.c:1492: unsigned int totym(Type*): Assertion `0' failed.
Merge pull request #3764 from 9rnsr/fix13131

Issue 13131 - [2.066-b3] dmd: glue.c:1492: unsigned int totym(Type*): Assertion `0' failed.