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 // This tests that diagnostic mappings from PCH are propagated for #pragma 9 // diagnostics but not for command-line flags. 10 11 #ifndef HEADER 12 #define HEADER 13 14 #pragma clang diagnostic ignored "-Wtautological-compare" 15 16 #else 17 18 int f() { 19 int a; 20 int b = a==a; 21 unsigned x; 22 signed y; 23 return x == y; 24 } 25 26 #endif 27
