Struct with constructor in member returned using pointer on Windows x64

[tim-dlang]

While working on dlang/dmd#16570 I noticed, that LDC also returns structs containing a member with constructor using a hidden pointer. This is implemented using recursive hasCtor here:

ldc/gen/abi/abi.cpp

Line 126 in 49e5732

if (hasCtor(tstruct->sym))

This seems to be wrong. I have added a test for this in dlang/dmd#16570 with struct MemberWithCtor. The pull request for DMD only checks if the struct itself has a constructor and not if members also have constructors, like LDC.

The test in the pull request for DMD is based on a test in LDC, but LDC has it in folder runnable instead of runnable_cxx.

[kinke]

Thx, confirmed. Will fix.