Mass-rename the handful of error_* diagnostics to err_*.

llvm-svn: 288545
diff --git a/clang/lib/Sema/SemaPseudoObject.cpp b/clang/lib/Sema/SemaPseudoObject.cpp
index a614018..211032c 100644
--- a/clang/lib/Sema/SemaPseudoObject.cpp
+++ b/clang/lib/Sema/SemaPseudoObject.cpp
@@ -661,7 +661,7 @@
         if (ObjCPropertyDecl *prop1 = IFace->FindPropertyDeclaration(
                 AltMember, prop->getQueryKind()))
           if (prop != prop1 && (prop1->getSetterMethodDecl() == setter)) {
-            S.Diag(RefExpr->getExprLoc(), diag::error_property_setter_ambiguous_use)
+            S.Diag(RefExpr->getExprLoc(), diag::err_property_setter_ambiguous_use)
               << prop << prop1 << setter->getSelector();
             S.Diag(prop->getLocation(), diag::note_property_declare);
             S.Diag(prop1->getLocation(), diag::note_property_declare);
@@ -1480,7 +1480,7 @@
                               SourceLocation(), GetterName, nullptr);
   if (GetterExpr.isInvalid()) {
     S.Diag(RefExpr->getMemberLoc(),
-           diag::error_cannot_find_suitable_accessor) << 0 /* getter */
+           diag::err_cannot_find_suitable_accessor) << 0 /* getter */
       << RefExpr->getPropertyDecl();
     return ExprError();
   }
@@ -1509,7 +1509,7 @@
                               SourceLocation(), SetterName, nullptr);
   if (SetterExpr.isInvalid()) {
     S.Diag(RefExpr->getMemberLoc(),
-           diag::error_cannot_find_suitable_accessor) << 1 /* setter */
+           diag::err_cannot_find_suitable_accessor) << 1 /* setter */
       << RefExpr->getPropertyDecl();
     return ExprError();
   }