| 1 | // RUN: %clang_cc1 %s -emit-llvm -o - |
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| 2 | // REQUIRES: LP64 |
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| 3 | |
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| 4 | // Aggregates of size zero should be dropped from argument list. |
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| 5 | typedef long int Tlong; |
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| 6 | struct S2411 { |
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| 7 | __attribute__((aligned)) Tlong:0; |
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| 8 | }; |
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| 9 | |
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| 10 | extern struct S2411 a2411[5]; |
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| 11 | extern void checkx2411(struct S2411); |
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| 12 | void test2411(void) { |
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| 13 | checkx2411(a2411[0]); |
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| 14 | } |
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| 15 | |
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| 16 | // Proper handling of zero sized fields during type conversion. |
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| 17 | typedef unsigned long long int Tal2ullong __attribute__((aligned(2))); |
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| 18 | struct S2525 { |
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| 19 | Tal2ullong: 0; |
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| 20 | struct { |
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| 21 | } e; |
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| 22 | }; |
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| 23 | struct S2525 s2525; |
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| 24 | |
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| 25 | struct { |
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| 26 | signed char f; |
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| 27 | char :0; |
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| 28 | struct{}h; |
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| 29 | char * i[5]; |
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| 30 | } data; |
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| 31 | |
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| 32 | // Taking address of a zero sized field. |
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| 33 | struct Z {}; |
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| 34 | struct Y { |
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| 35 | int i; |
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| 36 | struct Z z; |
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| 37 | }; |
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| 38 | void *f(struct Y *y) { |
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| 39 | return &y->z; |
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| 40 | } |
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| 41 | |
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