Fix up error reporting when object cannot be constructed

because of missing default constructor of a member.
Fixes pr5154.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83583 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 9 insertions, 7 deletions

diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 9d39389f51..fdd644235e 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -720,8 +720,9 @@ def err_param_default_argument_member_template_redecl : Error<
   "default arguments cannot be added to an out-of-line definition of a member "
   "of a %select{class template|class template partial specialization|nested "
   "class in a template}0">;
+def note_field_decl : Note<"member is declared here">;
 def err_defining_default_ctor : Error<
-  "cannot define the implicit default constructor for %0, because %select{base class|member}1 "
+  "cannot define the implicit default constructor for %0, because %select{base class|member's type}1 "
   "%2 does not have any default constructor">;
 def note_previous_class_decl : Note<
   "%0 declared here">;
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index e00cbf8978..abe20408cc 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -2852,7 +2852,7 @@ void Sema::DefineImplicitDefaultConstructor(SourceLocation CurrentLocation,
         MarkDeclarationReferenced(CurrentLocation, BaseCtor);
       else {
         Diag(CurrentLocation, diag::err_defining_default_ctor)
-          << Context.getTagDeclType(ClassDecl) << 1
+          << Context.getTagDeclType(ClassDecl) << 0
           << Context.getTagDeclType(BaseClassDecl);
         Diag(BaseClassDecl->getLocation(), diag::note_previous_class_decl)
               << Context.getTagDeclType(BaseClassDecl);
@@ -2874,8 +2874,9 @@ void Sema::DefineImplicitDefaultConstructor(SourceLocation CurrentLocation,
           MarkDeclarationReferenced(CurrentLocation, FieldCtor);
         else {
           Diag(CurrentLocation, diag::err_defining_default_ctor)
-          << Context.getTagDeclType(ClassDecl) << 0 <<
+          << Context.getTagDeclType(ClassDecl) << 1 <<
               Context.getTagDeclType(FieldClassDecl);
+          Diag((*Field)->getLocation(), diag::note_field_decl);
           Diag(FieldClassDecl->getLocation(), diag::note_previous_class_decl)
           << Context.getTagDeclType(FieldClassDecl);
           err = true;
diff --git a/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp b/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
index a09cccd1fd..8d91068f9b 100644
--- a/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
+++ b/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
@@ -13,7 +13,7 @@ struct X { // expected-note{{here}}
   void g() { }
   
   struct Inner { 
-    T value; 
+    T value; 	// expected-note {{member is declared here}}
   };
   
   static T value;
diff --git a/test/SemaCXX/default-constructor-initializers.cpp b/test/SemaCXX/default-constructor-initializers.cpp
index a6db6a7d9a..6cbb978dbb 100644
--- a/test/SemaCXX/default-constructor-initializers.cpp
+++ b/test/SemaCXX/default-constructor-initializers.cpp
@@ -11,15 +11,15 @@ struct X2  : X1 {  // expected-note {{'struct X2' declared here}} \
 
 struct X3 : public X2 {
 };
-X3 x3;  // expected-error {{cannot define the implicit default constructor for 'struct X3', because member 'struct X2' does not have any default constructor}}
+X3 x3;  // expected-error {{cannot define the implicit default constructor for 'struct X3', because base class 'struct X2' does not have any default constructor}}
 
 
 struct X4 {
-  X2 x2; 
+  X2 x2; 	// expected-note {{member is declared here}}
   X2 & rx2; // expected-note {{declared at}}
 };
 
-X4 x4; // expected-error {{cannot define the implicit default constructor for 'struct X4', because base class 'struct X2' does not have any default constructor}} \
+X4 x4; // expected-error {{cannot define the implicit default constructor for 'struct X4', because member's type 'struct X2' does not have any default constructor}} \
        // expected-error {{cannot define the implicit default constructor for 'struct X4', because reference member 'rx2' cannot be default-initialized}}