c++: deleted after first declaration [PR101106]
An explicitly deleted function must be deleted on its first declaration. We were diagnosing this error only with -Wpedantic, but always giving the "previous declaration" note. This patch removes the -Wpedantic dependency and also makes the note depend on the previous diagnostic. PR c++/101106 gcc/cp/ChangeLog: * decl.c (duplicate_decls): Make 'deleted after first declaration' pedwarn on by default. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/deleted15.C: New test.
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@ -2170,11 +2170,10 @@ duplicate_decls (tree newdecl, tree olddecl, bool hiding, bool was_hidden)
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if (DECL_DELETED_FN (newdecl))
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{
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auto_diagnostic_group d;
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pedwarn (newdecl_loc, OPT_Wpedantic,
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"deleted definition of %qD is not first declaration",
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newdecl);
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inform (olddecl_loc,
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"previous declaration of %qD", olddecl);
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if (pedwarn (newdecl_loc, 0, "deleted definition of %qD "
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"is not first declaration", newdecl))
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inform (olddecl_loc,
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"previous declaration of %qD", olddecl);
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}
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DECL_DELETED_FN (newdecl) |= DECL_DELETED_FN (olddecl);
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}
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@ -0,0 +1,6 @@
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// PR c++/101106
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// { dg-do compile { target c++11 } }
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// { dg-options "" }
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int f();
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int f() = delete; // { dg-message "not first declaration" }
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