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e82630d5d5
Show the top-level pch file as the culprit, rather than the immediate dependency when a pch file imports a pcm from a module. To clarify the relationship, the pch import stack is printed as notes. The old behaviour was misleading when a pch imported a pcm (from a module), since removing the pcm would not fix the problem, whereas rebuilding the pch would. llvm-svn: 199446
21 lines
934 B
Matlab
21 lines
934 B
Matlab
// RUN: rm -rf %t-dir
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// RUN: mkdir -p %t-dir
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// RUN: echo '@import test;' > %t-dir/prefix.h
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// RUN: echo 'void foo(void);' > %t-dir/test.h
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// RUN: cp %S/modified-module-dependency.module.map %t-dir/module.map
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// Precompile prefix.pch.
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// RUN: %clang_cc1 -x objective-c -I %t-dir -fmodules -fmodules-cache-path=%t-dir/cache -emit-pch %t-dir/prefix.h -o %t-dir/prefix.pch
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// Modify the dependency.
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// RUN: echo ' ' >> %t-dir/test.h
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// Run and check the diagnostics.
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// RUN: not %clang_cc1 -x objective-c -include-pch %t-dir/prefix.pch -fmodules -fmodules-cache-path=%t-dir/cache -fsyntax-only %s 2> %t-dir/log
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// RUN: FileCheck %s < %t-dir/log
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// CHECK: file '{{.*}}/test.h' has been modified since the precompiled header '{{.*}}prefix.pch' was built
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// CHECK: '{{.*}}/test.h' required by '{{.*}}/test.pcm'
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// CHECK: '{{.*}}/test.pcm' required by '{{.*}}/prefix.pch'
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// CHECK: please rebuild precompiled header '{{.*}}/prefix.pch'
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