[Issue 12984] [REG2.068a] ICE on forward reference of derived class from other instantiated class

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12984

Kenji Hara <k.hara.pg at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|x86_64                      |All
            Summary|"Cannot interpret           |[REG2.068a] ICE on forward
                   |[template] at compile time" |reference of derived class
                   |depending on order of       |from other instantiated
                   |declaration                 |class
                 OS|Linux                       |All

--- Comment #3 from Kenji Hara <k.hara.pg at gmail.com> ---
(In reply to Nils from comment #2)
> The test case fails again. Segfaults now.
> 
> The test code can be reduced to this for the segfault:
> ---
> cat > test.d << code
> class B {alias MyD = D!int;}
> class C : B {}
> class D(T) {alias MyE = E!float;}
> class E(T) : D!int
> {
>     void m() {new C;}
> }
> code
> dmd -c -o- test.d
> ---
> Segmentation fault (core dumped)
> ---
> 
> (Re-)introduced by
> https://github.com/D-Programming-Language/dmd/commit/
> a7bdba471111f09f7dba2fbbc6a3d91d8ba110e7
> https://github.com/D-Programming-Language/dmd/pull/4457

https://github.com/D-Programming-Language/dmd/pull/4537

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