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 | |