macro-undef.cpp
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// RUN: %clang_cc1 -std=c++98 -emit-pch -o %t %s
// RUN: %clang_cc1 -std=c++98 -fsyntax-only -include-pch %t %s -Wuninitialized -verify
// RUN: %clang_cc1 -std=c++98 -fsyntax-only -include-pch %t %s -Wuninitialized -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s
// RUN: %clang_cc1 -std=c++98 -emit-pch -fpch-instantiate-templates -o %t %s
// RUN: %clang_cc1 -std=c++98 -fsyntax-only -include-pch %t %s -Wuninitialized -verify
// RUN: %clang_cc1 -std=c++98 -fsyntax-only -include-pch %t %s -Wuninitialized -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s
#ifndef HEADER
#define HEADER
#define NULL 0
template<typename T>
void *f() {
void *p; // @15
return p; // @16
}
#undef NULL
template<typename T>
void *g() {
void *p; // @21
return p; // @22
}
#else
// expected-warning@16 {{uninitialized}}
// expected-note@15 {{initialize}}
// CHECK: fix-it:"{{.*}}":{15:10-15:10}:" = NULL"
// expected-warning@22 {{uninitialized}}
// expected-note@21 {{initialize}}
// CHECK: fix-it:"{{.*}}":{21:10-21:10}:" = 0"
int main() {
f<int>(); // expected-note {{instantiation}}
g<int>(); // expected-note {{instantiation}}
}
#endif