[Issue 24192] New: Bad context pointer access through AliasSeq member of nested struct

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24192

          Issue ID: 24192
           Summary: Bad context pointer access through AliasSeq member of
                    nested struct
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: puremagic at zoadian.de

original problem: https://run.dlang.io/is/Yvu5qu

here's a possible test case:

alias Seq(T...)=T;
int main(){
    auto foo = 2;
    assert((){
        auto bar()=>foo;
        struct RESULT { alias seq = Seq!bar; }
        return RESULT();
    }().seq[0]()==foo);
    return 0;
}

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