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Currently if assert is misused, e.g. like passing to a function like a function pointer, GCC suggests to include assert.h/cassert. But since it is already included that is just a bogus suggestion. Instead we should see if a function-like macro is that same name (in the case of assert it will be), and inform the user that it is being mis-used. PR c++/102846 PR c/102846 gcc/c-family/ChangeLog: * known-headers.cc (macro_like_function_used::macro_like_function_used): New. (macro_like_function_used::~macro_like_function_used): New. * known-headers.h (class macro_like_function_used): New class. gcc/c/ChangeLog: * c-decl.cc (lookup_name_fuzzy): Lookup function-like macro and notify of misuse there. gcc/cp/ChangeLog: * name-lookup.cc (lookup_name_fuzzy): Lookup function-like macro and notify of misuse there. gcc/testsuite/ChangeLog: * c-c++-common/function-like-macro-1.c: New test. * c-c++-common/function-like-macro-2.c: New test. Signed-off-by: Andrew Pinski <andrew.pinski@oss.qualcomm.com>
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