llvm-project/clang/test/PCH/pragma-diag-section.cpp

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849 B
C++

// Test this without pch.
// RUN: %clang_cc1 %s -include %s -verify -fsyntax-only -Wuninitialized
// Test with pch.
// RUN: %clang_cc1 %s -emit-pch -o %t
// RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only -Wuninitialized
#ifndef HEADER
#define HEADER
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wuninitialized"
template <typename T>
struct TS1 {
void m() {
T a;
T b = a;
}
};
#pragma clang diagnostic pop
#else
template <typename T>
struct TS2 {
void m() {
T a;
T b = a; // expected-warning {{variable 'a' is uninitialized}} \
expected-note@41 {{in instantiation of member function}} \
expected-note@28 {{initialize the variable 'a' to silence}}
}
};
void f() {
TS1<int> ts1;
ts1.m();
TS2<int> ts2;
ts2.m();
}
#endif