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Diffstat (limited to 'test/Sema/pointer-addition.c')
| -rw-r--r-- | test/Sema/pointer-addition.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Sema/pointer-addition.c b/test/Sema/pointer-addition.c new file mode 100644 index 0000000..87d5eaf --- /dev/null +++ b/test/Sema/pointer-addition.c @@ -0,0 +1,19 @@ +// RUN: clang-cc %s -fsyntax-only -verify -pedantic + +typedef struct S S; // expected-note 3 {{forward declaration of 'struct S'}} +void a(S* b, void* c) { + void (*fp)(int) = 0; + b++; // expected-error {{arithmetic on pointer to incomplete type}} + b += 1; // expected-error {{arithmetic on pointer to incomplete type}} + c++; // expected-warning {{use of GNU void* extension}} + c += 1; // expected-warning {{use of GNU void* extension}} + c--; // expected-warning {{use of GNU void* extension}} + c -= 1; // expected-warning {{use of GNU void* extension}} + b = 1+b; // expected-error {{arithmetic on pointer to incomplete type}} + /* The next couple tests are only pedantic warnings in gcc */ + void (*d)(S*,void*) = a; + d += 1; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} + d++; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}} + d--; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} + d -= 1; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} +} |
