[PATCH] D153690: [clang][Sema] Remove dead diagnostic for loss of __unaligned qualifier

[Takuya Shimizu via Phabricator via cfe-commits]

hazohelet created this revision.
hazohelet added reviewers: aaron.ballman, cjdb, tbaeder, efriedma, rnk.
Herald added a project: All.
hazohelet requested review of this revision.
Herald added a project: clang.

D120936 <https://reviews.llvm.org/D120936> has made the loss of `__unaligned` qualifier NOT a bad-conversion.
Because of this, the bad-conversion note about the loss of this qualifier does not take effect.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153690

Files:
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/Sema/SemaOverload.cpp


Index: clang/lib/Sema/SemaOverload.cpp
===================================================================
--- clang/lib/Sema/SemaOverload.cpp
+++ clang/lib/Sema/SemaOverload.cpp
@@ -10821,15 +10821,6 @@
       return;
     }
 
-    if (FromQs.hasUnaligned() != ToQs.hasUnaligned()) {
-      S.Diag(Fn->getLocation(), diag::note_ovl_candidate_bad_unaligned)
-          << (unsigned)FnKindPair.first << (unsigned)FnKindPair.second << FnDesc
-          << (FromExpr ? FromExpr->getSourceRange() : SourceRange()) << FromTy
-          << FromQs.hasUnaligned() << I + 1;
-      MaybeEmitInheritedConstructorNote(S, Cand->FoundDecl);
-      return;
-    }
-
     unsigned CVR = FromQs.getCVRQualifiers() & ~ToQs.getCVRQualifiers();
     assert(CVR && "expected qualifiers mismatch");
 
Index: clang/include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -4696,9 +4696,6 @@
     "%select{const|restrict|const and restrict|volatile|const and volatile|"
     "volatile and restrict|const, volatile, and restrict}4 qualifier"
     "%select{||s||s|s|s}4">;
-def note_ovl_candidate_bad_unaligned : Note<
-    "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: "
-    "%ordinal5 argument (%3) would lose __unaligned qualifier">;
 def note_ovl_candidate_bad_base_to_derived_conv : Note<
     "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: "
     "cannot %select{convert from|convert from|bind}3 "


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