Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/c2x-attr-syntax-5.c @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | |
| children |
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| 131:84e7813d76e9 | 145:1830386684a0 |
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| 1 /* Test C2x attribute syntax. Test unknown standard attributes | |
| 2 diagnosed with a pedwarn. */ | |
| 3 /* { dg-do compile } */ | |
| 4 /* { dg-options "-std=c2x -pedantic-errors" } */ | |
| 5 | |
| 6 [[unknown_attribute]]; /* { dg-error "attribute ignored" } */ | |
| 7 | |
| 8 [[unknown_attribute]] extern int a; /* { dg-error "attribute ignored" } */ | |
| 9 extern int [[unknown_attribute(123)]] a; /* { dg-error "attribute ignored" } */ | |
| 10 extern int a [[unknown_attribute("")]]; /* { dg-error "attribute ignored" } */ | |
| 11 | |
| 12 int f () [[unknown_attribute]]; /* { dg-error "attribute ignored" } */ | |
| 13 int f (void) [[unknown_attribute(1)]]; /* { dg-error "attribute ignored" } */ | |
| 14 int g ([[unknown_attribute]] int a); /* { dg-error "attribute ignored" } */ | |
| 15 int g (int [[unknown_attribute]] a); /* { dg-error "attribute ignored" } */ | |
| 16 int g (int a [[unknown_attribute]]); /* { dg-error "attribute ignored" } */ | |
| 17 int g ([[unknown_attribute]] int); /* { dg-error "attribute ignored" } */ | |
| 18 int g (int [[unknown_attribute]]); /* { dg-error "attribute ignored" } */ | |
| 19 int g (int) [[unknown_attribute]]; /* { dg-error "attribute ignored" } */ | |
| 20 | |
| 21 int *[[unknown_attribute]] p; /* { dg-error "attribute ignored" } */ | |
| 22 int b[3] [[unknown_attribute]]; /* { dg-error "attribute ignored" } */ | |
| 23 | |
| 24 int h (int () [[unknown_attribute]]); /* { dg-error "attribute ignored" } */ | |
| 25 | |
| 26 struct [[unknown_attribute]] s; /* { dg-error "attribute ignored" } */ | |
| 27 union [[unknown_attribute]] u; /* { dg-error "attribute ignored" } */ | |
| 28 | |
| 29 struct [[unknown_attribute]] s2 { int a; }; /* { dg-error "attribute ignored" } */ | |
| 30 union [[unknown_attribute(x)]] u2 { int a; }; /* { dg-error "attribute ignored" } */ | |
| 31 | |
| 32 struct s3 { [[unknown_attribute]] int a; }; /* { dg-error "attribute ignored" } */ | |
| 33 struct s4 { int [[unknown_attribute]] a; }; /* { dg-error "attribute ignored" } */ | |
| 34 union u3 { [[unknown_attribute]] int a; }; /* { dg-error "attribute ignored" } */ | |
| 35 union u4 { int [[unknown_attribute]] a; }; /* { dg-error "attribute ignored" } */ | |
| 36 | |
| 37 int z = sizeof (int [[unknown_attribute]]); /* { dg-error "attribute ignored" } */ | |
| 38 | |
| 39 enum [[unknown_attribute]] { E1 }; /* { dg-error "attribute ignored" } */ | |
| 40 enum { E2 [[unknown_attribute]] }; /* { dg-error "attribute ignored" } */ | |
| 41 enum { E3 [[unknown_attribute]] = 4 }; /* { dg-error "attribute ignored" } */ | |
| 42 | |
| 43 void | |
| 44 func (void) [[unknown_attribute]] { /* { dg-error "attribute ignored" } */ | |
| 45 [[unknown_attribute]] int var; /* { dg-error "attribute ignored" } */ | |
| 46 [[unknown_attribute]] { } /* { dg-error "attribute ignored" } */ | |
| 47 [[unknown_attribute(!)]]; /* { dg-error "attribute ignored" } */ | |
| 48 [[unknown_attribute]] var = 1; /* { dg-error "attribute ignored" } */ | |
| 49 [[unknown_attribute]] x: var = 2; /* { dg-error "attribute ignored" } */ | |
| 50 for ([[unknown_attribute]] int zz = 1; zz < 10; zz++) ; /* { dg-error "attribute ignored" } */ | |
| 51 } | |
| 52 | |
| 53 /* nodiscard is not yet implemented, but is a standard attribute, so | |
| 54 its use is not a constraint violation and should only receive a | |
| 55 warning. */ | |
| 56 [[nodiscard]] int ndfunc (void); /* { dg-warning "attribute directive ignored" } */ |