llvm-for-llvmta/tools/clang/test/Sema/bitfield-promote.c

36 lines
678 B
C

// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics
struct {unsigned x : 2;} x;
__typeof__((x.x+=1)+1) y;
__typeof__(x.x<<1) y;
int y;
struct { int x : 8; } x1;
long long y1;
__typeof__(((long long)x1.x + 1)) y1;
// Check for extensions: variously sized unsigned bit-fields fitting
// into a signed int promote to signed int.
enum E { ec1, ec2, ec3 };
struct S {
enum E e : 2;
unsigned short us : 4;
unsigned long long ul1 : 8;
unsigned long long ul2 : 50;
} s;
__typeof(s.e + s.e) x_e;
int x_e;
__typeof(s.us + s.us) x_us;
int x_us;
__typeof(s.ul1 + s.ul1) x_ul1;
int x_ul1;
__typeof(s.ul2 + s.ul2) x_ul2;
unsigned long long x_ul2;