21 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-bool-conversion -Wno-string-compare -Wno-tautological-compare -Waddress %s2// RUN: %clang_cc1 -fsyntax-only -verify %s3 4void foo();5int arr[5];6int global;7const char* str = "";8 9void test() {10 if (foo) {} // expected-warning{{always evaluate to 'true'}} \11 // expected-note{{silence}}12 if (arr) {} // expected-warning{{always evaluate to 'true'}}13 if (&global) {} // expected-warning{{always evaluate to 'true'}}14 if (foo == 0) {} // expected-warning{{always false}} \15 // expected-note{{silence}}16 if (arr == 0) {} // expected-warning{{always false}}17 if (&global == 0) {} // expected-warning{{always false}}18 19 if (str == "foo") {} // expected-warning{{unspecified}}20}21