proposed Opengroup action for c99 command (XCU ERN 76)

[Robert Dewar]

Ross Ridge wrote:

> Thinking semantically is irrelevent because the question isn't whether GCC
> conforms to C99 or POSIX.  It clearly doesn't.  GCC fails the as-if rule.
> The question is one of implementation burden, which can only be answered
> by examining GCC's implementation.

Once again we are not discussing general conformance here, just 
conformance on this specific issue.