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CheckStructHasMember: fix null deref warning (#15413) 

Clang Static Analyzer is so smart that it reports a defect when this
intended null-deref is encountered.  Use sizeof instead which has no
runtime effects.
This commit is contained in:
Peter Wu 2015-02-16 00:22:10 +01:00 committed by Brad King
parent 244867369b
commit e1da4dc2dd
1 changed files with 1 additions and 1 deletions
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Modules/CheckStructHasMember.cmake
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@ -69,7 +69,7 @@ macro (CHECK_STRUCT_HAS_MEMBER _STRUCT _MEMBER _HEADER _RESULT)
${_INCLUDE_FILES}
int main()
{
(void)((${_STRUCT} *)0)->${_MEMBER};
(void)sizeof(((${_STRUCT} *)0)->${_MEMBER});
return 0;
}
")