1 // Test this without pch. 2 // RUN: %clang_cc1 %s -include %s -verify -fsyntax-only -Wno-sign-compare -Wtautological-compare 3 4 // Test with pch. 5 // RUN: %clang_cc1 %s -emit-pch -o %t -Wsign-compare -Wtautological-compare 6 // RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only -Wno-sign-compare -Wtautological-compare 7 8 // expected-no-diagnostics 9 10 // This tests that diagnostic mappings from PCH are propagated for #pragma 11 // diagnostics but not for command-line flags. 12 13 #ifndef HEADER 14 #define HEADER 15 16 #pragma clang diagnostic ignored "-Wtautological-compare" 17 18 #else 19 20 int f() { 21 int a; 22 int b = a==a; 23 unsigned x; 24 signed y; 25 return x == y; 26 } 27 28 #endif 29
