[Issue 8262] ICE(mtype.c) alias this to alias of an expression tuple

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8262

--- Comment #4 from hsteoh at quickfur.ath.cx ---
Cause of segfault: aliasthisOf() returned NULL to implicitConvTo().

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