https://issues.dlang.org/show_bug.cgi?id=23374

          Issue ID: 23374
           Summary: ImportC: only 1 designator currently allowed for C
                    struct field initializer
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Keywords: ImportC
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: dave287091@gmail.com

struct Foo {
    int x;
    int y;
};

struct Bar {
    struct Foo f;
};

struct Bar b = {.f.x = 3}; // Error: only 1 designator currently allowed for C
struct field initializer
struct Bar b2 = {
    .f.x = 3, // Error: only 1 designator currently allowed for C struct field
initializer
    .f.y = 4,
};

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