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it, importers of B should not see the macro. This is complicated by the fact that A's macro could also be visible through a different path. The rules (as hashed out on cfe-commits) are included as a documentation update in this change. With this, the number of regressions in libc++'s testsuite when modules are enabled drops from 47 to 7. Those remaining 7 are also macro-related, and are due to remaining bugs in this change (in particular, the handling of submodules is imperfect). llvm-svn: 202560
23 lines
353 B
C
23 lines
353 B
C
#define TOP unsigned int
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#define TOP_LEFT_UNDEF 1
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#define TOP_RIGHT_REDEF float
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// The last definition will be exported from the sub-module.
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#define TOP_RIGHT_REDEF int
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#define TOP_RIGHT_UNDEF int
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#define TOP_OTHER_UNDEF1 42
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#undef TOP_OTHER_UNDEF2
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#define TOP_OTHER_REDEF1 1
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#define TOP_OTHER_REDEF2 2
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#define TOP_OTHER_DEF_RIGHT_UNDEF void
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