[LLVMbugs] [Bug 9820] New: output crashes, but should not

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9820

           Summary: output crashes, but should not
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: regehr at cs.utah.edu
                CC: llvmbugs at cs.uiuc.edu, chenyang at cs.utah.edu


regehr at home:~$ clang -O0 small.c -o small
regehr at home:~$ ./small
regehr at home:~$ clang -O1 small.c -o small
regehr at home:~$ ./small
Segmentation fault
regehr at home:~$ clang -v
clang version 3.0 (trunk 130620)
Target: i386-pc-linux-gnu
Thread model: posix
regehr at home:~$ cat small.c

int *func_28 (int *p_29) {
  return p_29;
}

int *g_311;
int **g_403 = &g_311;

void func_1 (void) {
  int l_10 [4] = {
    1, 0, 0, 0
  };
  *g_403 = func_28 (&l_10[0]);
  *g_311 = 1;
}

int main (void) {
  func_1 ();
  return 0;
}

-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.