[Bug 47151] New: Assertion failure in widl when creating an interface that takes a type with bitfield members when a wire_marshal attribute is provided

https://bugs.winehq.org/show_bug.cgi?id=47151

            Bug ID: 47151
           Summary: Assertion failure in widl when creating an interface
                    that takes a type with bitfield members when a
                    wire_marshal attribute is provided
           Product: Wine
           Version: 4.6
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tools
          Assignee: wine-bugs(a)winehq.org
          Reporter: richard(a)torproject.org
      Distribution: ---

The following idl snippet compiles using midl but asserts in midl:

/* Begin */

struct flags
{
    unsigned flag1 : 1;
    unsigned flag2 : 1;
};

typedef [wire_marshal(char)] struct flags flags_t;

[
    uuid(7a98c250-6808-11cf-b73b-00aa00b677a7),
    version(1.0),
]
interface hello
{
    void do_work([in] flags_t flags);
}

/* End */

assertion:
typegen.c:1963: type_memsize_and_alignment: Assertion `0' failed.

Presumably a check for a marshalling type with known alignment info needs to be
added around here.

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