[LLVMbugs] [Bug 3371] New: clang rejects pointer arithmetic code ( from the Linux kernel)

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3371

           Summary: clang rejects pointer arithmetic code (from the Linux
                    kernel)
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: bagnara at cs.unipr.it
                CC: llvmbugs at cs.uiuc.edu, bolzoni at cs.unipr.it


$ cat /tmp/bug4.c
void
sys_init_module() {
  extern int (*init)(void);

  if (init+0 <= init) {
    ;
  }
}
$ gcc -W -Wall -c /tmp/bug4.c   
$ clang /tmp/bug4.c 
/tmp/bug4.c:6:11: error: arithmetic on pointer to function type 'int (*)(void)'
  if (init+0 <= init) {
      ~~~~^
1 diagnostic generated.
$


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