llvm-project/clang/test/PCH/rdar8852495.c

29 lines
660 B
C

// Test this without pch.
// RUN: %clang_cc1 %s -include %s -verify -fsyntax-only -Wno-sign-compare -Wtautological-compare
// Test with pch.
// RUN: %clang_cc1 %s -emit-pch -o %t -Wsign-compare -Wtautological-compare
// RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only -Wno-sign-compare -Wtautological-compare
// expected-no-diagnostics
// This tests that diagnostic mappings from PCH are propagated for #pragma
// diagnostics but not for command-line flags.
#ifndef HEADER
#define HEADER
#pragma clang diagnostic ignored "-Wtautological-compare"
#else
int f(void) {
int a;
int b = a==a;
unsigned x;
signed y;
return x == y;
}
#endif