https://issues.dlang.org/show_bug.cgi?id=13788

          Issue ID: 13788
           Summary: dmd segfault, pragma(mangle) and a mixin
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Mac OS X
            Status: NEW
          Severity: major
          Priority: P1
         Component: DMD
          Assignee: nobody@puremagic.com
          Reporter: john.loughran.colvin@gmail.com

part of a dustmite reduction of druntime, all it takes is one line:

pragma(mangle) mixin("");

output:
test.d(1): Error: pragma mangle string expected for mangled name
Segmentation fault: 11

tested on OS X 10.10, dmd 2.066.0 and git HEAD

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