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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/Sema/type-spec-struct-union.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/Sema/type-spec-struct-union.c')
-rw-r--r-- | test/Sema/type-spec-struct-union.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/Sema/type-spec-struct-union.c b/test/Sema/type-spec-struct-union.c new file mode 100644 index 0000000..2b68b78 --- /dev/null +++ b/test/Sema/type-spec-struct-union.c @@ -0,0 +1,65 @@ +// RUN: clang-cc -fsyntax-only -pedantic -verify %s + +/* This test checks the introduction of struct and union types based + on a type specifier of the form "struct-or-union identifier" when they + type has not yet been declared. See C99 6.7.2.3p8. */ + +typedef struct S1 { + union { + struct S2 *x; + struct S3 *y; + } u1; +} S1; + +int test_struct_scope(S1 *s1, struct S2 *s2, struct S3 *s3) { + if (s1->u1.x == s2) return 1; + if (s1->u1.y == s3) return 1; + return 0; +} + +int test_struct_scope_2(S1 *s1) { + struct S2 { int x; } *s2 = 0; + if (s1->u1.x == s2) return 1; /* expected-warning {{comparison of distinct pointer types ('struct S2 *' and 'struct S2 *')}} */ + return 0; +} + +// FIXME: We do not properly implement C99 6.2.1p4, which says that +// the type "struct S4" declared in the function parameter list has +// block scope within the function definition. The problem, in this +// case, is that the code is ill-formed but we warn about the two S4's +// being incompatible (we think they are two different types). +int test_struct_scope_3(struct S4 * s4) { // expected-warning{{declaration of 'struct S4' will not be visible outside of this function}} + struct S4 { int y; } *s4_2 = 0; + /* if (s4 == s4_2) return 1; */ + return 0; +} + +void f(struct S5 { int y; } s5); // expected-warning{{declaration of 'struct S5' will not be visible outside of this function}} + +// PR clang/3312 +struct S6 { + enum { BAR } e; +}; + +void test_S6() { + struct S6 a; + a.e = BAR; +} + +// <rdar://problem/6487669> +typedef struct z_foo_s { + struct bar_baz *baz; +} z_foo; +typedef z_foo *z_foop; +struct bar_baz { + enum { + SQUAT, FLAG, DICT4, DICT3, DICT2, DICT1, DICT0, HOP, CHECK4, CHECK3, CHECK2, CHECK1, DONE, BAD + } mode; + int nowrap; +}; +int +wizbiz_quxPoof(z) + z_foop z; +{ + z->baz->mode = z->baz->nowrap ? HOP : SQUAT; +} |