#define MY_ASSERT(...) do { } while (0) #define MY_ATTRS __attribute((noinline)) #include #include #include #include typedef struct I I; enum H_Tag { H_Foo, H_Bar, H_Baz, }; typedef uint8_t H_Tag; typedef struct H_Bar_Body { uint8_t x; int16_t y; } H_Bar_Body; typedef struct H { H_Tag tag; union { struct { int16_t foo; }; H_Bar_Body bar; }; } H; enum J_Tag { J_Foo, J_Bar, J_Baz, }; typedef uint8_t J_Tag; typedef struct J_Bar_Body { uint8_t x; int16_t y; } J_Bar_Body; typedef struct J { J_Tag tag; union { struct { int16_t foo; }; J_Bar_Body bar; }; } J; enum K_Tag { K_Foo, K_Bar, K_Baz, }; typedef uint8_t K_Tag; typedef struct K_Bar_Body { K_Tag tag; uint8_t x; int16_t y; } K_Bar_Body; typedef union K { K_Tag tag; struct { K_Tag foo_tag; int16_t foo; }; K_Bar_Body bar; } K; void foo(struct H h, struct I i, struct J j, union K k);