[LLVMbugs] [Bug 6004] New: clang does not generate a warning for division by zero.

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=6004

           Summary: clang does not generate a warning for division by zero.
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: sanjiv.gupta at microchip.com
                CC: llvmbugs at cs.uiuc.edu


gcc generates a warning 

C16-115-1.c:7: warning: division by zero

for the following code:


char *pc = (char *) 0xA0;

volatile signed char char1 = 0xFF;

int main(void)
{
  if ( char1 % 0) {
    *pc = 1;
  }
  else
    *pc = 0;
}



Why clang doesn't ?


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