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Diffstat (limited to 'clang/test/Sema/bitfield.c')
-rw-r--r-- | clang/test/Sema/bitfield.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/clang/test/Sema/bitfield.c b/clang/test/Sema/bitfield.c new file mode 100644 index 0000000..a1ce894 --- /dev/null +++ b/clang/test/Sema/bitfield.c @@ -0,0 +1,41 @@ +// RUN: %clang_cc1 %s -fsyntax-only -verify +enum e0; // expected-note{{forward declaration of 'enum e0'}} + +struct a { + int a : -1; // expected-error{{bit-field 'a' has negative width}} + + // rdar://6081627 + int b : 33; // expected-error{{size of bit-field 'b' (33 bits) exceeds size of its type (32 bits)}} + + int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}} + int d : (int)(1 + 0.25); + + // rdar://6138816 + int e : 0; // expected-error {{bit-field 'e' has zero width}} + + float xx : 4; // expected-error {{bit-field 'xx' has non-integral type}} + + // PR3607 + enum e0 f : 1; // expected-error {{field has incomplete type 'enum e0'}} + + int g : (_Bool)1; + + // PR4017 + char : 10; // expected-error {{size of anonymous bit-field (10 bits) exceeds size of its type (8 bits)}} + unsigned : -2; // expected-error {{anonymous bit-field has negative width (-2)}} + float : 12; // expected-error {{anonymous bit-field has non-integral type 'float'}} +}; + +struct b {unsigned x : 2;} x; +__typeof__(x.x+1) y; +int y; + +struct {unsigned x : 2;} x2; +__typeof__((x.x+=1)+1) y; +__typeof__((0,x.x)+1) y; +__typeof__(x.x<<1) y; +int y; + +struct PR8025 { + double : 2; // expected-error{{anonymous bit-field has non-integral type 'double'}} +}; |