📄 20010605-2.c
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/* Origin: Joseph Myers <jsm28@cam.ac.uk>. *//* As an extension, GCC allows a struct or union to be cast to its own type, but failed to allow this when a typedef was involved. Reported as PR c/2735 by <cowan@ccil.org>. */union u { int i; };typedef union u uu;union u a;uu b;voidfoo (void){ a = (union u) b; a = (uu) b; b = (union u) a; b = (uu) a;}
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