4630d464c5
If `MM->getOwningModule` returns nullptr, then `isVisible` is called
with nullptr, which then calls `getImportLoc(nullptr)`
077e0c134a/clang/lib/Lex/PPMacroExpansion.cpp (L208)
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
// RUN: split-file %s %t
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// There are two requirements here to result in the owner of a macro being null.
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// 1) There must be a configuration mismatch between a header and a file it depends on
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// 2) -fmodules-local-submodule-visibility must be enabled.
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// In the following example, when compiling module C, A_H has no owning module.
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// RUN: %clang_cc1 -I%t -emit-module -o %t/a.pcm -fmodules %t/module.modulemap -fmodule-name=a -fmodules-local-submodule-visibility
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// RUN: %clang_cc1 -fexceptions -Wno-module-file-config-mismatch -I%t -emit-module -o %t/b.pcm -fmodules %t/module.modulemap -fmodule-name=b -fmodules-local-submodule-visibility -fmodule-file=%t/a.pcm
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// RUN: %clang_cc1 -fexceptions -Wno-module-file-config-mismatch -I%t -emit-module -o %t/c.pcm -fmodules %t/module.modulemap -fmodule-name=c -fmodules-local-submodule-visibility -fmodule-file=%t/a.pcm -fmodule-file=%t/b.pcm
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//--- module.modulemap
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module a { header "a.h" }
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module b { header "b.h" }
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module c { header "c.h" }
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//--- a.h
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#ifndef A_H
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#define A_H
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#endif
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//--- b.h
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#ifndef B_H
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#define B_H
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#include <a.h>
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#endif
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//--- c.h
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#include <a.h>
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#include <b.h>
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