File gcc7-remove-Wexpansion-to-defined-from-Wextra.patch of Package gcc9

Index: gcc/c-family/c.opt
===================================================================
--- gcc/c-family/c.opt	(revision 246224)
+++ gcc/c-family/c.opt	(working copy)
@@ -596,7 +596,7 @@ C ObjC C++ ObjC++ Var(warn_double_promot
 Warn about implicit conversions from \"float\" to \"double\".
 
 Wexpansion-to-defined
-C ObjC C++ ObjC++ CPP(warn_expansion_to_defined) CppReason(CPP_W_EXPANSION_TO_DEFINED) Var(cpp_warn_expansion_to_defined) Init(0) Warning EnabledBy(Wextra || Wpedantic)
+C ObjC C++ ObjC++ CPP(warn_expansion_to_defined) CppReason(CPP_W_EXPANSION_TO_DEFINED) Var(cpp_warn_expansion_to_defined) Init(0) Warning EnabledBy(Wpedantic)
 Warn if \"defined\" is used outside #if.
 
 Wimplicit-function-declaration