1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -emit-pch -o %t1.pch -verify 2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -emit-pch -o %t2.pch -include-pch %t1.pch -verify 3*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only %s -include-pch %t2.pch -verify 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc // Test that a redefinition inside the PCH won't manifest as an ambiguous macro. 6*f4a2713aSLionel Sambuc // rdar://13016031 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc #ifndef HEADER1 9*f4a2713aSLionel Sambuc #define HEADER1 10*f4a2713aSLionel Sambuc 11*f4a2713aSLionel Sambuc #define M1 0 // expected-note {{previous}} 12*f4a2713aSLionel Sambuc #define M1 1 // expected-warning {{redefined}} 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc #define M2 3 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc #elif !defined(HEADER2) 17*f4a2713aSLionel Sambuc #define HEADER2 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc #define M2 4 // expected-warning {{redefined}} 20*f4a2713aSLionel Sambuc // expected-note@-6 {{previous}} 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambuc #else 23*f4a2713aSLionel Sambuc 24*f4a2713aSLionel Sambuc // Use the error to verify it was parsed. 25*f4a2713aSLionel Sambuc int x = M1; // expected-note {{previous}} 26*f4a2713aSLionel Sambuc int x = M2; // expected-error {{redefinition}} 27*f4a2713aSLionel Sambuc 28*f4a2713aSLionel Sambuc #endif 29