minix/external/bsd/llvm/dist/clang/test/PCH/macro-redef.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

28 lines
697 B
C

// RUN: %clang_cc1 %s -emit-pch -o %t1.pch -verify
// RUN: %clang_cc1 %s -emit-pch -o %t2.pch -include-pch %t1.pch -verify
// RUN: %clang_cc1 -fsyntax-only %s -include-pch %t2.pch -verify
// Test that a redefinition inside the PCH won't manifest as an ambiguous macro.
// rdar://13016031
#ifndef HEADER1
#define HEADER1
#define M1 0 // expected-note {{previous}}
#define M1 1 // expected-warning {{redefined}}
#define M2 3
#elif !defined(HEADER2)
#define HEADER2
#define M2 4 // expected-warning {{redefined}}
// expected-note@-6 {{previous}}
#else
// Use the error to verify it was parsed.
int x = M1; // expected-note {{previous}}
int x = M2; // expected-error {{redefinition}}
#endif