| // RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-store=region -analyzer-disable-all-checks -verify %s | 
 | // RUN: %clang_analyze_cc1 -analyzer-disable-all-checks -analyzer-checker=core -analyzer-store=region -verify %s | 
 | // RUN: %clang_analyze_cc1 -analyzer-disable-all-checks -verify %s | 
 | // RUN: not %clang_analyze_cc1 -analyzer-checker=core -analyzer-store=region -analyzer-disable-checker -verify %s 2>&1 | FileCheck %s | 
 | // expected-no-diagnostics | 
 |  | 
 | // CHECK: use -analyzer-disable-all-checks to disable all static analyzer checkers | 
 | int buggy() { | 
 |   int x = 0; | 
 |   return 5/x; // no warning | 
 | } |