llvm-project/clang/test/Sema/enum.c

31 lines
1.1 KiB
C

// RUN: clang %s -fsyntax-only -verify -pedantic
enum e {A,
B = 42LL << 32, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
C = -4, D = 12456 };
enum f { a = -2147483648, b = 2147483647 }; // ok.
enum g { // too negative
c = -2147483649, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
d = 2147483647 };
enum h { e = -2147483648, // too pos
f = 2147483648 // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
};
// minll maxull
enum x // expected-warning {{enumeration values exceed range of largest integer}}
{ y = -9223372036854775807LL-1, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
z = 9223372036854775808ULL }; // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
int test() {
return sizeof(enum e) ;
}
enum gccForwardEnumExtension ve; // expected-error {{variable has incomplete type 'enum gccForwardEnumExtension'}} expected-warning{{ISO C forbids forward references to 'enum' types}}
int test2(int i)
{
ve + i;
}