[LLVMbugs] [Bug 5373] New: assertion error in infinite loop

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Nov 2 13:56:53 PST 2009


           Summary: assertion error in infinite loop
           Product: new-bugs
           Version: trunk
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: jxyang at cs.utah.edu
                CC: llvmbugs at cs.uiuc.edu, regehr at cs.utah.edu

The following small program caused assertion failure at O1 and above. It's seen
on Ubuntu Jaunty on x86.

jason at lajiao:~/rp-trunk/tests$ clang -v
clang version 1.1 (trunk 85811)
Target: i386-pc-linux-gnu

#include <stdint.h>
#include <assert.h>

int32_t* func_16(int** p_18, int* p_20)
    uint32_t i;
    for (i = 6; i >= 0; i++)
        assert (p_18 == 0); 
        assert (p_20 == 0);      // fail!!!
    return 0;

/* ---------------------------------------- */
int main(void)
    func_16(0, 0);
    return 0;

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