https://issues.dlang.org/show_bug.cgi?id=19950

--- Comment #1 from emmanuelle <lakeavenger+dlangi@gmail.com> ---
Actually, it seems you can create an even tinier example:

---
alias Foo = NotHere;
alias Bar = baz!();

void baz()(Foo)
    if (true)
{}
---

Which compiles fine (with a normal error) from dmd v2.060 until v2.066, but in v2.067 and v2.068 it has this cryptic error:

---
onlineapp.d(1): Error: undefined identifier NotHere
dmd: template.c:930: MATCH TemplateDeclaration::matchWithInstance(Scope*,
TemplateInstance*, Objects*, Expressions*, int): Assertion `fd->type->ty ==
Tfunction' failed.
---

And from v2.069 onwards it has a segfault/access violation.

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https://issues.dlang.org/show_bug.cgi?id=19950

ag0aep6g <ag0aep6g@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice
                 CC|                            |ag0aep6g@gmail.com
           Hardware|x86                         |All
                 OS|Windows                     |All

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https://issues.dlang.org/show_bug.cgi?id=19950

emmanuelle <lakeavenger+dlangi@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|access violation at compile |access violation at compile
                   |time, possibly via static   |time, possibly via template
                   |foreach and alias           |constraint and alias
                   |interaction                 |interaction

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https://issues.dlang.org/show_bug.cgi?id=19950

Dlang Bot <dlang-bot@dlang.rocks> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull

--- Comment #2 from Dlang Bot <dlang-bot@dlang.rocks> ---
@Basile-z created dlang/dmd pull request #10195 "fix issue 19950 - access violation at compile time, possibly via template constraint and alias interaction" fixing this issue:

- fix issue 19950 - access violation at compile time, possibly via template constraint and alias interaction

https://github.com/dlang/dmd/pull/10195

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https://issues.dlang.org/show_bug.cgi?id=19950

Dlang Bot <dlang-bot@dlang.rocks> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Dlang Bot <dlang-bot@dlang.rocks> ---
dlang/dmd pull request #10195 "fix issue 19950 - access violation at compile time, possibly via template constraint and alias interaction" was merged into stable:

- 9cd97ab03969186b1d45c95a18abf8d43b6c40a1 by Basile Burg:
  fix issue 19950 - access violation at compile time, possibly via template
constraint and alias interaction

https://github.com/dlang/dmd/pull/10195

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