https://issues.dlang.org/show_bug.cgi?id=20719
--- Comment #3 from Ben <ben.james.jo...@gmail.com> --- Not sure it's the same bug since mine triggers a stack overflow with no diagnostics. Here's the dustmite script I used to reduce: #!/bin/sh # arguments to dmd DMDARGS="test20719.d" OUTPUT=$(lldb --batch -o "run $DMDARGS" -k 'bt 30' -k 'quit' -o 'quit' dmd 2>&1) #echo $OUTPUT echo "$OUTPUT" | egrep -q "_D3dmd4func15FuncDeclaration14isTypeIsolatedMFCQBt5mtype4TypeZb" exit $? --