1 // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=text -verify %s 2 // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=text -analyzer-config prune-paths=false -DNPRUNE=1 -verify %s 3 4 // "prune-paths" is a debug option only; this is just a simple test to see that 5 // it's being honored. 6 7 void helper() { 8 extern void foo(); 9 foo(); 10 } 11 12 void test() { 13 helper(); 14 #if NPRUNE 15 // expected-note@-2 {{Calling 'helper'}} 16 // expected-note@-3 {{Returning from 'helper'}} 17 #endif 18 19 *(volatile int *)0 = 1; // expected-warning {{Dereference of null pointer}} 20 // expected-note@-1 {{Dereference of null pointer}} 21 } 22