diff options
Diffstat (limited to 'clang/test/Sema/designated-initializers.c')
| -rw-r--r-- | clang/test/Sema/designated-initializers.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/clang/test/Sema/designated-initializers.c b/clang/test/Sema/designated-initializers.c index 36fa559f6f3..6630da67c5b 100644 --- a/clang/test/Sema/designated-initializers.c +++ b/clang/test/Sema/designated-initializers.c @@ -137,7 +137,6 @@ void test() { }; } -// FIXME: How do we test that this initializes the long properly? union { char c; long l; } u1 = { .l = 0xFFFF }; extern float global_float; @@ -223,6 +222,55 @@ struct Enigma enigma = { }; +/// PR16644 +typedef union { + struct { + int zero; + int one; + int two; + int three; + } a; + int b[4]; +} union_16644_t; + +union_16644_t union_16644_instance_0 = +{ + .b[0] = 0, // expected-note{{previous}} + .a.one = 1, // expected-warning{{overrides}} expected-note{{previous}} + .b[2] = 2, // expected-warning{{overrides}} expected-note{{previous}} + .a.three = 3, // expected-warning{{overrides}} +}; + +union_16644_t union_16644_instance_1 = +{ + .a.three = 13, // expected-note{{previous}} + .b[2] = 12, // expected-warning{{overrides}} expected-note{{previous}} + .a.one = 11, // expected-warning{{overrides}} expected-note{{previous}} + .b[0] = 10, // expected-warning{{overrides}} +}; + +union_16644_t union_16644_instance_2 = +{ + .a.one = 21, // expected-note{{previous}} + .b[1] = 20, // expected-warning{{overrides}} +}; + +union_16644_t union_16644_instance_3 = +{ + .b[1] = 30, // expected-note{{previous}} + .a = { // expected-warning{{overrides}} + .one = 31 + } +}; + +union_16644_t union_16644_instance_4[2] = +{ + [0].a.one = 2, + [1].a.zero = 3,// expected-note{{previous}} + [0].a.zero = 5, + [1].b[1] = 4 // expected-warning{{overrides}} +}; + /// PR4073 /// Should use evaluate to fold aggressively and emit a warning if not an ice. extern int crazy_x; |
