[Bug c/20043] [4.0 Regression] transparent_union doesn't allow restrict qualifier removal

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-17 
23:25 -------
What is werid is that 3.4.0 rejects the follow "legal" code though:
typedef union { int *__restrict i; long *__restrict l; } u 
__attribute__((transparent_union));

extern void foobar(u arg);
extern void foobar(int *__restrict);

Though 4.0.0 does compile it so we traded one bug for another.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20043