[LLVMbugs] [Bug 16712] New: Difference in treating with __builtin declratations

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Jul 26 01:09:42 PDT 2013


            Bug ID: 16712
           Summary: Difference in treating with __builtin declratations
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: stpworld at narod.ru
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


extern int abs(int __i);
#define    abs(__i) __builtin_abs(__i)

abs(int x)
  return (x < 0) ? -x : x;

Is compiled with gcc, while clang emits error:
abc.c:5:1: error: definition of builtin function '__builtin_abs'
abs(int x)

abc.c:2:18: note: expanded from macro 'abs'
#define abs(__i) __builtin_abs(__i)

You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20130726/36874c97/attachment.html>

More information about the llvm-bugs mailing list