File: varargs_unreachable.c

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (14 lines) | stat: -rw-r--r-- 586 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-apple-darwin9
// expected-no-diagnostics

// Do not warn about undefined behavior of parameter argument types in
// unreachable code in a macro.
#define VA_ARG_RDAR12322000(Marker, TYPE)         ((sizeof (TYPE) < sizeof (UINTN_RDAR12322000)) ? (TYPE)(__builtin_va_arg (Marker, UINTN_RDAR12322000)) : (TYPE)(__builtin_va_arg (Marker, TYPE)))

// 64-bit system
typedef unsigned long long  UINTN_RDAR12322000;

int test_VA_ARG_RDAR12322000 (__builtin_va_list Marker)
{
  return VA_ARG_RDAR12322000 (Marker, short); // no-warning
}