llvm-project

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// RUN: %clang_cc1 %s -emit-pch -o %t1.pch -DMACRO1=1
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// RUN: %clang_cc1 -fsyntax-only %s -include-pch %t1.pch -DMACRO2=1 2>&1 | FileCheck %s
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#ifndef HEADER
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#define HEADER
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#else
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#define MACRO1 2
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// CHECK: macro-cmdline.c{{.*}}'MACRO1' macro redefined
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// CHECK: <command line>{{.*}}previous definition is here
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#define MACRO2 2
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// CHECK: macro-cmdline.c{{.*}}'MACRO2' macro redefined
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// CHECK: <command line>{{.*}}previous definition is here
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#endif
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